Sify has one written test of 30 min duration with no negative marks, totally 20ques. each

one mark.

Written test

logical,aptitude,tech

Ques. were of flowchart and sequencing type.

Therafter tech. & HR interview.

In tech interview they r mostly asking abt networking , java,threads,diff b/w

dbms and rdbms,VB,ASP, etc. Some general Q's like extracuricular activities as in ur

Resume.

Some Q's are :

1) 2 nos: , LCM=693 , GCM=11 one no: 77 find the other ?

ans: 99

2) 5 children,youngest 3yrs old and no 2 children hve the same age ,sum of their age is

26.Find the age of

eldest.

7,8,10,...

ans:8

3)second no: is twice the first no: and first no: is thrice the third no:.Their avg is 20.

Find the greatest no:

ans: 36

4) RS232 cable - bit transfer rate ?

0-50000,5000-50000.....

5) If CPU wants to stop the IO process and continue with main processing ,then which

device it uses :

Control Unit,IO Divertor,Channel Divertor,None

6)connnecting 2 diff networks

:

ans: Gateway

1. There is a 4 inch cube painted on all sides. This

is cut down into of 1 inch cubes. What is the no of

cubes which have no pointed sides.

Ans: 8

2. At 6'o a clock ticks 6 times. The time between

first and last ticks is 30 seconds. How long does it

tick at 12'o clock.

Ans: 66 sec.

3. Complete the series: 5, 20, 24, 6, 2, 8, ?

Ans: 12 (as 5*4=20, 20+4=24,

24/4=6, 6-4=2, 2*4=8, 8+4=12).

4. Find the values of each of the alphabets.

N O O N

S O O N

+ M O O N

J U N E

Ans: 9326

5. If a clock takes 7seconds to strike 7, how long

will the same clock take to strike 10?

Ans: The clock strikes for the

first time at the start and takes 7 seconds for 6

intervals-thus for one interval time taken=7/6.

Therefore, for 10 seconds there are 9 intervals and

time taken is 9*7/6=10 and 1/2 seconds.

6. An escalator is descending at constant speed. A

walks down and takes 50 steps to reach the bottom. B

runs down and takes 90 steps in the same time as A

takes 10 steps. How many steps are visible when the

escalator is not operating?

Ans: 150 steps

7. A chain is broken into three pieces of equal

lengths containing 3 links each. It is taken to a

blacksmith to join into a single continuous one. How

many links are to to be opened to make it ?

Ans : 2.

8. There is a safe with a 5 digit number as the key.

The 4th digit is 4 greater than second digit, while

3rd digit is 3 less than 2nd digit. The 1st digit is

thrice the last digit. There are 3 pairs whose sum is

11. Find the number.

Ans: 65292

9. An orange glass has orange juice and white glass

has apple juice both of equal volumes. 50ml of the

orange juice is taken and poured into the apple juice.

50ml from the white glass is poured into the orange

glass. Of the two quantities, the amount of apple

juice in the orange glass and the amount of orange

juice in the white glass, which one is greater and by

how much?

Ans: The two quantities are equal

10. The shape in the sketch below is that of a square

attached to half of a similar square. Divide it into

four equal pieces

Ans: Hint : the figure can be divided

into 12 equal triangles

11. Fifty minutes ago if it was four times as many

minutes past three o'clock, how many minutes is it to

six o'clock?

Ans: Twenty six minutes.

12. Everyday in his business a merchant had to weigh

amounts from 1 kg to 121kgs, to the nearest kg.

What are the minimum number of weight required

and how heavy should they be?

Ans: .The minimum number is 5 and they

should weigh 1,3,9,27 and 81kgs.

13. A car is traveling at a uniform speed. The driver

sees a milestone showing a 2-digit number. After

traveling for an hour the driver sees another

milestone with the same digits in reverse order. After

another hour the driver sees another milestone

containing the same two digits. What is the average

speed of the driver.

Ans: 45kmph

14. A hotel has 10 storeys. Which floor is above the

floor below the floor, below the floor above the

floor, below the

floor above the fifth.

Ans: The sixth floor.

15. Albert and Fernandes have two leg swimming race.

Both start from opposite ends of the pool. On the

first leg, the boys pass each other at 18 m from the

deep end of the pool. During the second leg they pass

at 10 m from the shallow end of the pool. Both go at

constant speed but one of them is faster. Each boy

rests for 4 seconds at the end of the first leg. What

is the length of the pool?

Ans.

16. Shahrukh speaks truth only in the morning and lies

in the afternoon, whereas Salman speaks truth only in

the afternoon. A says that B is Shahrukh. Is it

morning or afternoon and who is A - Shahrukh or

Salman.

Ans: Afternoon ; A is Salman.

17. A person with some money spends1/3 for cloths, 1/5

of the remaining for food and 1/4 of the remaining for

travel.

He is left with Rs 100/- . How much did he have

with him in the beginning ?

Ans: Rs 250/-

18. Ram, Shyam and Gumnaam are friends.

Ram is a widower and lives alone and his sister

takes care of him.

Shyam is a bachelor and his niece cooks his food

and looks after his house.

Gumnaam is married to Gita and lives in large

house in the same town.

Gita gives the idea that all of them could stay

together in the house and share monthly expenses

equally.

During their first month of living

together, each person contributed Rs.25. At the end of

the month, it was found that Rs 92 was the expense so

the remaining amount was distributed equally among

everyone. The distribution was such that everyone

received a whole number of Rupees. How much did each

person receive?

Ans. Rs 2 (Hint: Ram's sister,

Shyam's niece and Gumnaam's wife are the same person)

19. There are 3 societies A, B, C. A lent cars to B

and C as many as they had already. After some time B

gave as many tractors to A and C as many as they have.

After sometime c did the same thing. At the end of

this transaction each one of them had 24. Find the

cars each originally had.

Ans: A had 39 cars, B had 21 cars & C

had 12 cars

20. Sam and Mala have a conversation.

· Sam says I am certainly not over 40

· Mala says I am 38 and you are at least 5 years older

than me

· Now Sam says you are at least 39

All the statements by the two are false. How old

are they really?

Ans: Mala = 38 yrs, Sam = 41 yrs.

21. Each alphabet stands for one digit in the

following multiplication.

T H I S

x I S

X F X X

X X U X

X X N X X What is the maximum

value T can take?

Ans: T max value = 4

22. Grass in lawn grows equally thick and in a

uniform rate. It takes 24 days for 70 cows and 60 days

for 30 cows to eat the whole of the grass. How many

cows are needed to eat the grass in 96 days.?

Ans : 20

[Hint: g - grass at the

beginning r -

rate at which grass grows, per day

y - rate at which

one cow eats grass, per day n - no of cows to

eat the grass in 96 days

g + 24*r = 70 * 24

* y g + 60*r

= 30 * 60 * y

g + 96*r = n * 96

* y, Solving, n = 20. ]

23. Three criminals were arrested for shop lifting.

However, when interrogated only one told the truth in

both his statements, while the other two each told one

true statement and one lie. The statements were:

· ALBERT :(a) Chander passed the merchandise. (b)

Bruce created the diversion.

· BRUCE :(a) Albert passed the merchandise. (b)

I created the diversion.

· CLIVE :(a) I took the goods out of the shop.

(b) Bruce passed them over.

Ans: Albert passed the goods. Bruce

created the diversion. Clive took the goods out of the

shop.

24. I bought a car with a peculiar 5 digit numbered

license plate which on reversing could still be read.

On reversing value is increased by 78633.Whats the

original number if all digits were different?

Ans: Only 0 1 6 8 and 9 can be read

upside down. So on rearranging these digits we get the

answer as 10968

25. There N stations on a railroad. After adding X

stations on the rail route 46 additional tickets have

to be printed.

Find N and X.

Ans. x=2 and N=11 ( Let initially,

N(N-1) = t; After adding, (N+X)(N+X-1) = t+46;Trail

and error method )

26. Complete the Table given below:

Three football teams are there. Given below is

the group table. Fill in the x's

Played Won Lost Draw Goals For Goals Against

A 2 2 x x x 1

B 2 x x 1 2 4

C 2 x x x 3 7

Ans: The filled table is given below

Played Won Lost Draw Goals For Goals Against

A 2 2 0 0 7 1

B 2 0 1 1 2 4

C 2 0 1 1 3 7

27. A bird keeper has got P pigeons, M mynas and S

sparrows. The keeper goes for lunch leaving his

assistant to watch the birds.

· Suppose p=10, m=5, s=8 when the bird keeper comes

back, the assistant informs the x birds have escaped.

The bird keeper exclaims: "Oh no! All my sparrows are

gone."

How many birds flew away?

· When the bird keeper comes back, the assistant told

him that x birds have escaped. The keeper realized

that at least 2 sparrows have escaped.

What is minimum no of birds that can escape?

Ans.

28. Seven members sat around a table for three days

for a conference.

The member's names were Abhishek, Amol, Ankur,

Anurag, Bhuwan ,Vasu and Vikram.

The meetings were chaired by Vikram.

On the first evening members sat around the table

alphabetically.

On the following two nights, Vikram arranged the

seating so that he could have Abhishek as near to him

as

possible and absent minded Vasu as far away as he

could.

On no evening did any person have sitting next to

him a person who had previously been his neighbor.

How did Vikram manage to seat everybody to the

best advantage on the second and third evenings?

Ans: Second evening: Vikram, Ankur,

Abhishek, Amol, Vasu, Anurag and Bhuwan.

Third evening :Vikram,

Anurag, Abhishek, Vasu, Bhuwan, Ankur, Amol.

29. Two twins have certain peculiar characteristics.

One of them always lies on Monday, Wednesday, Friday.

The other always lies on Tuesdays, Thursdays and

Saturdays. On the other days they tell the truth. You

are given a conversation.

· Person A-- today is Sunday my name is Anil

· Person B -- today is Tuesday, my name is Bill

What day is today?

Ans: Today is Tuesday.

30. Four prisoners escape from a prison. The

prisoners, Mr. East, Mr. West, Mr. South, Mr. North

head towards different directions after escaping. The

following information of their escape was supplied:

· The escape routes were The North Road, South Road,

East Road and West Road.

· None of the prisoners took the road which was their

namesake.

· Mr. East did not take the South Road

· Mr. West did not the South Road.

· The West Road was not taken by Mr. East

What road did each of the prisoners take to make

their escape?

Ans: Mr. East took the North Road

Mr. West took the East Road

Mr. North took the South Road

Mr. South took the West Road.

31. A hotel has two wings, the east wing and the west

wing. Some east wing rooms but not all have an ocean

view.

All west wing rooms have a harbor view. The

charge for all rooms is identical, except as follows :

· Extra charge for all harbor view rooms on or above

the 3rd floor

· Extra charge for all ocean view rooms except those

without balcony

· Extra charge for some harbor rooms on the first two

floor & some east wing rooms without ocean view but

having kitchen facilities.

Which of the following cannot be determined on the

basis of the information given:

I. Whether there are any rooms without a

balcony for which an extra charge is imposed.

II. Whether any room without a kitchen or

a view involves an extra charge.

III. Whether two extra charges are imposed

for any room.

(A) I only (B) II only

(C) III only (D) II and III only

(E) I, II and III

Ans: (A)

32. Given that April 1 is Tuesday. A, B, C are 3

persons told that their farewell party was on

· A - May 8, Thursday

· B - May 10, Tuesday

· C - June 5, Friday

Out of A, B, C only one made a completely true

statement concerning date, day and month. The other

told two one told the day right and the other the

date right. What is correct date, month, day.

Ans: B - (May 10) SUNDAY , C - June

6 (Friday).

33. Answer the following questions based on the

conditions from the choices A, B, C, D, E as described

below:

(A) if a definite conclusion can be drawn from

condition 1

(B) if a definite conclusion can be drawn from

condition 2

(C) if a definite conclusion can be drawn from

condition 1 and 2

(D) if a definite conclusion can be drawn from

condition 1 or 2

(E) no conclusion can be drawn using both

conditions

· person 1 says N<5

· person says N>5

· person 3 says 3N>20

· person 4 says 3N>10

· person 5 says N<8

What is the value of N?

a) 1. No of persons who speak false being less than no

of persons who tells the truth.

2. Person 2 is telling the truth.

Ans.

b) 1. no of persons telling the truth is greater than

no of persons telling lies

2. person 5 is telling the truth.

Ans.

. Three friends divided some bullets equally. After

all of them shot 4 bullets the total number of bullets

remaining is equal to the bullets each had after

division. Find the original number divided.

Ans: 18 ( Initially . x

x x

Now x-4

x-4 x-4 ) Equation is 3x-12 = x

2. A ship went on a voyage. After it had traveled 180

miles a plane started with 10 times the speed of the

ship.

Find the distance when they meet from starting

point.

Ans: 200miles. ( Distance traveled

by plane = 1/10 distance traveled by ship + 180 )

3. Replace each letter by a digit. Each letter must be

represented by the same digit and no beginning letter

of a word can be 0.

O N E

O N E

O N E

O N E

T E N

Ans: O =1, N = 8 ,E = 2, T = 7

4. In a railway station, there are two trains going.

One in the harbor line and one in the main line, each

having a frequency of 10 minutes. The main line

service starts at 5 o'clock and the harbor line starts

at 5.02A.M. A man goes to the station every day to

catch the first train that comes. What is the

probability of the man catching the first train?

Ans: 0.8

5. Next number in the series is: 1 , 2 , 4 , 13 ,

31 , 112 , ?

Ans: 224. (No number has digits more

than 4. All of them are 1 , 2, 4, 8 , 16 , 32 , 64

converted to base 5 )

6. Father's age is three years more than three times

the son's age. After three years, father's age will be

ten years more than twice the son's age. What is the

father's present age?

Ans: 33 years.

7. Light glows for every 13 seconds . How many times

did it glow between 1:57:58 and 3:20:47 am.

Ans : 383 + 1 = 384

8. From a vessel, 1/3rd of the liquid evaporates on

the first day. On the second day 3/4th of the

remaining liquid evaporates. What fraction of the

volume is present at the end of the second day.

Ans: 50%

9. Supposing a clock takes 7 seconds to strike 7. How

long will it take to strike 10?

Ans: 10 1/2 seconds.

10. There are 20 poles with a constant distance

between each pole. A car takes 24 second to reach the

12th pole.

How much will it take to reach the last pole.

Ans: 41.45 seconds (Let the

distance between two poles = x, Hence 11x:24::19x:? )

11. How can 1000000000 be written as a product of

two factors neither of them containing zeros

Ans: 2 power 9 x 5 power 9

12. Two trains starting at same time, one from

Bangalore to Mysore and other in opposite direction

arrive at their

destination 1 hr and 4 hours respectively after

passing each other. How much faster is one train from

other?

Ans: Twice

13. Every day a cyclist meets a train at a particular

crossing. The road is straight before the crossing and

both are traveling in the same direction. The cyclist

travels with a speed of 10kmph. One day the cyclist

comes late by 25 min. and meets the train 5km before

the crossing. What is the speed of the train?

Ans: 60kmph

14. A man collects cigarette stubs and makes one full

cigarette with every 8 stubs. If he gets 64 stubs how

many full cigarettes can he smoke.

Ans: 8+1=9

15. The minute and the hour hand of a watch meet every

65 minutes. How much does the watch lose or gain time

and by how much?

Ans: Gains; 5/11 minutes

16. A survey was taken among 100 people to find their

preference of watching T. V. programs. There are 3

channels. Given the no of people who watch

· at least channel 1

· at least channel 2

· at least channel 3

· no channels at all

· at least channels 1and 3

· at least channels 1 and 2

· at least channels 2 and 3

Find the no of people who watched all three.

Ans.

17. Two trains start from stations A and B spaced

50kms apart at the same time and speed. As the trains

start, a bird flies from one train towards the other

and on reaching the second train, it flies back to the

first train. This is repeated till the trains collide.

If the speed of the trains is 25 km/h and that of the

bird is 100km/h. How much did the bird travel till the

collision.

Ans: 100kms.

18. Four persons A, B, C and D are playing cards. Each

person has one card, laid down on the table below him,

which has two different colors on either side. The

colors visible on the table are Red, Green, Red and

Blue. They see the color on the reverse side and give

the following comment.

A: Yellow or Green

B: Neither Blue nor Green

C: Blue or Yellow

D: Blue or Yellow

Given that out of the 4 people 2 always lie find

out the colors on the cards each person.

Ans.

19. Sometime after 10:00 PM a murder took place. A

witness claimed that the clock must have stopped at

the time of the shooting. It was later found that the

position of both the hands were the same but their

positions had interchanged.

Tell the time of the shooting (both actual and

claimed).

Ans: Time of shooting = 11:54 PM

Claimed Time = 10:59 PM

20. Some statements are given below:

· L says all of my other four friends have money

· M says that P said that exactly one among them has

money

· N says that L said that precisely two among them

have money

· O says that M said that three of the others have

money

· P, L and N said that they have money

All the above statement are false. Who has money & who

doesn't have any money?

Ans.

21. The Bulls, Pacers, Lakers and Jazz ran for a

contest. Anup, Sujit, John made the following

statements regarding results.

· Anup said either Bulls or Jazz will definitely win

· Sujit said he is confident that Bulls will not win

· John said he is confident that neither Jazz nor

Lakers will win

When the result came, it was found that only one of

the above three had made a correct statement. Who has

made the correct statement and who has won the

contest.

Ans: Sujith; Lakers

22. There are five persons with surnames Mukherjee,

Misra, Iyer, Patil and Sharma. There are 4 persons

having first or middle name of Kumar, 3 persons with

Mohan, 2 persons with Dev and 1 Anil. Either Mukherjee

and Patil have a first or middle name of Dev or Misra

and Iyer have their first or middle name of Dev. Of

Mukherkjee and Misra, either both of them have a first

or middle name of Mohan or neither have a first or

middle name of Mohan. Either Iyer or Sharma has a

first or middle name of Kumar but not both. Who has

the first or middle name of Anil?

Ans: Kumar Misra Dev, Mohan Iyer Dev,

Kumar Patil Mohan, Mohan Sharma Kumar

23. Ann, Boobie, Cathy and Dave are at their monthly

business meeting. Their occupations are author,

biologist, chemist and doctor, but not necessarily in

that order. Dave just told the biologist that Cathy

was on her way with doughnuts. Ann is sitting across

from the doctor and next to the chemist. The doctor

was thinking that Boobie was a goofy name for parent's

to choose, but didn't say anything. What is each

person's occupation?

Ans: Since Dave spoke to the biologist and

Ann sat next to the chemist and across the doctor,

Cathy must be the author and Ann the biologist. The

doctor didn't speak, but David did, so Bobbie is the

doctor and Dave the chemist.

24. There are 6 volumes of books on a rack kept in

order ( i.e. vol.1, vol. 2 and so on ). Give the

position after the following changes were noticed.

· All books have been changed

· Vol.5 was directly to the right of Vol.2

· Vol.4 has Vol.6 to its left and both weren't at

Vol.3's place

· Vol.1 has Vol.3 on right and Vol.5 on left

· An even numbered volume is at Vol.5's place

Find the order in which the books are kept now.

Ans: 2 , 5 , 1 , 3 , 6 , 4

25. A soldier looses his way in a thick jungle. At

random he walks from his camp but mathematically in an

interesting fashion. First he walks one mile East then

half mile to North. Then 1/4 mile to West, then 1/8

mile to South and so on making a loop. Finally how far

he is from his camp and in which direction.

Ans: Distance traveled in north and

south directions:

1/2 - 1/8 + 1/32 - 1/128 +

1/512 - ............. = 1/2/((1-(-1/4))

Similarly in east and west

directions:

1- 1/4 + 1/16 - 1/64 +

1/256 - ................... = 1/(( 1- ( - 1/4))

Add both the answers

26. Conversation between two mathematicians:

First : I have three children. The

product of their ages is 36. If you sum their ages, it

is exactly same as my neighbor's door number on my

left.

The second mathematician verifies the door number

and says that it is not sufficient. Then the first

says " Ok one more clue is that my youngest is really

the youngest". Immediately the second mathematician

answers. Can you answer the question asked by the

first mathematician? What are the children ages?

Ans 1,6 and 6

27. 500 men are arranged in an array of 10 rows and 50

columns according to their heights. Tallest among each

row of all are asked to fall out. And the shortest

among them is A. Similarly after resuming that to

their original positions that the shortest among each

column are asked to fall out. And the tallest among

them is B. Now who is taller among A and B ?

Ans. A

28. There are six boxes containing 5 , 7 , 14 , 16 ,

18 , 29 balls of either red or blue in color. Some

boxes contain only red balls and others contain only

blue. One sales man sold one box out of them and then

he says, " I have the same number of red balls left

out as that of blue ". Which box is the one he sold

out ?

Ans: Total no of balls = 89 and

(89-29 /2) = 60/2 = 30 and also 14 + 16 = 5 + 7 + 18 =

30

29. Ram Singh goes to his office in the city, every

day from his suburban house. His driver Gangaram drops

him at the railway station in the morning and picks

him up in the evening. Every evening Ram Singh reaches

the station at 5 O' Clock. Gangaram also reaches at

the same time. One day Ram Singh started early from

his office and came to the station at 4 O' Clock. Not

wanting to wait for the car he starts walking home.

Mangaram starts at normal time, picks him up on the

way and takes him back house, half an hour early. How

much time did Ram Singh walk?

Ans.

30. A family X went for a vacation. Unfortunately it

rained for 13 days when they were there. But whenever

it rained in the mornings, they had clear afternoons

and vice versa. In all they enjoyed 11 mornings and 12

afternoons. How many days did they stay there totally?

Ans: 18

31. There are N coins on a table and there are two

players A & B. You can take 1 or 2 coins at a time.

The person who takes the last coin is the loser. A

always starts first.

· If N=7

(a) A can always win by taking two coins in his first

chance

(b) B can win only if A takes two coins in his first

chance.

(c) B can always win by proper play

(d) none of the above

Ans.

· 2. A can win by proper play if N is equal to

(a) 13 (b) 37 (c) 22 (d) 34 (e) 48

Ans: (e.)

· 3. B can win by proper play if N is equal to

(a) 25 (b)26 (c) 32 (d) 41 (e) none

Ans.

· 4. if N<4, can A win by proper play always?

(a) Yes (b) No

Ans.

32. Mr. Mathurs jewels have been stolen from his bank

locker. The bank has lockers of 12 people which are

arranged in an array of 3 rows and 4 columns like:

1 2 3 4

5 6 7 8

9 10 11 12

· The locker belonging to JONES was to the right of

BLACK'S locker and directly above MILLAR'S.

· BOOTH'S locker was directly above MILLAR'S.

· SMITH'S locker was also above GRAY's (though not

directly).

· GREEN'S locker was directly below SMITH'S.

· WILSON'S locker was between that of DAVIS and BOOTH.

· MILLAR'S locker was on the bottom row directly to

the right of HERD'S.

· WHITE'S locker was on the bottom right hand corner

in the same column as BOOTH'S.

Which box belonged to Mr. Mathurs?

Ans: Box number 9 belongs to Mr.

Mathurs.

33. Five people A ,B ,C ,D ,E are related to each

other. Four of them make one true statement each as

follows.

(i) B is my father's brother.

(ii) E is my mother-in-law.

(iii) C is my son-in-law's brother

(iv) A is my brother's wife.

Ans: (i) D (ii) B (iii)

E (iv) C