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Infosys Placement Paper 125
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Infosys Placement Paper 125
Infosys Placement Papers
INFOSYS Latest Fresher Placement Question Paper 37
INFOSYS Q¡¦PAPER
11 questions
1)
XXXX
YYYY
ZZZZ
YXXXZ
What is X,Y and Z?
Ans: X=9 Y=1 Z=8
2) A person walks on a plain land at 4 km/hr and up the slope at 3 km/hr and comes
down at 6 km/hr and walks on the plain land again at 4 km/hr. if he started at 3:00
pm and comes back at 9:00 pm. What is the one way distance?
Ans:12 km
INFOSYS Latest Fresher Engineer Placement Sample Question Paper 36
3) There is a five digit number
ƒá It has 2 prime digits(1 is not a prime number)
ƒá The third digit is the highest
ƒá The second digit is lowest
ƒá The first digit is 1 less that third digit
ƒá The fifth is half of the fourth
ƒá The sum of 4th and 5th digit is less that first
Ans: 71842
4) today is Friday. A lady says you have to meet me two days after the day before
the day after tomorrow
ans:Monday
5) a lady¡¦s age is between 50 and 70.each of her sons has many sons as his
brothers. the sum of the sons and grandsons in the lady¡¦s age. what is her age?
Ans: 64
6) two persons have 64 and 20 barrels of wine. the first one pays tax 5 barrels and
40 frames. the second one pays 2 barrel and got back 40 frames. What is the value of
each barrel and the tax paid on each barrel?
Ans: value=120 frames
Tax =10 frames
7) there are 20 balls of green color,20 balls of red color,20 balls of blue color,20
of balck,20 of yellow. how many u have to pick to guarantee 2pairs of same color?
Ans: 6 balls
sox¡¦s age , sox¡¦s sister¡¦s age and sox¡¦s father¡¦s age sums up to a century.
When sox s as old as his father, ox¡¦s sister will be twice as old as now. When sox
is as old as his father then his father is twice as old as when his sister was as
old as her father
ans: sox=20
sister=30
father=50
9) jerry and four of his friends one of whom is a broker are about to go on a trip.
They decide to take cards in order to choose the driver. The cards are ten jack,
queen, king and ass. The person who will get the ass will be the driver.
(five condition will be given)
sorry we could not make the last two questions b¡¦cause of lack of time.
Section A
1. Which of the following involves context switch,
(a) system call
(b) priviliged instruction
(c) floating poitnt exception
(d) all the above
(e) none of the above
Ans: (a)
2. In OST, terminal emulation is done in
(a) sessions layer
(b) application layer
(c) presentation layer
(d) transport layer
Ans: (b)
3. For a 25MHz processor , what is the time taken by
the
instruction
which needs 3 clock cycles,
(a)120 nano secs
(b)120 micro secs
(c)75 nano secs
(d)75 micro secs
4. For 1 MB memory, the number of address lines
required,
(a)11
(b)16
(c)22
(d) 24
Ans. (b)
5. Semaphore is used for
(a) synchronization
(b) deadlock avoidence
(c) box
(d) none
Ans. (a)
6. Which holds true for the following statement
class c: public A, public B
a) 2 member in class A, B should not have same name
b) 2 member in class A, C should not have same name
c) both
d) none
Ans. (a)
7. Question related to java
8. OLE is used in
a) inter connection in unix
b) interconnection in WINDOWS
c) interconnection in WINDOWS NT
9. Convert a given HEX number to OCTAL
10. Macros and function are related in what aspect?
(a)recursion
(b)varying no of arguments
(c)hypochecking
(d)type declaration
11.Preproconia.. does not do which one of the
following
(a) macro
(b) conditional compliclation
(c) in type checking
(d) including load file
Ans. (c)
12. Piggy backing is a technique for
a) Flow control
b) Sequence
c) Acknowledgement
d) retransmition
Ans. (c)
13. In signed magnitude notation what is the minimum
value that
can be
represented with 8 bits
(a) 128
(b) 255
(c) 127
(d) 0
Section B
1. Given the following statement
enum day = { jan = 1 ,feb=4, april, may}
What is the value of may?
(a) 4
(b) 5
(c) 6
(d) 11
(e) None of the above
2. Find the output for the following C program
main
{int x,j,k;
j=k=6;x=2;
x=j*k;
printf("%d", x);
3. Find the output for the following C program
fn f(x)
{ if(x<=0)
return;
else f(x1)+x;
}
4. Find the output for the following C program
i=20,k=0;
for(j=1;j
{k+=j<10?4:3;
}
printf("%d", k);
Ans. k=4
5. Find the output for the following C program
int i =10
main()
{int i =20,n;
for(n=0;n<=i
{int i=10;
i++;
}
printf("%d", i);
Ans. i=20
6. Find the output for the following C program
int x=5;
y= x&y
7.Find the output for the following C program
Y=10;
if( Y++>9 && Y++!=10 && Y++>10)
{printf("%d", Y);
else
printf("%d", Y);
}
Ans. 13
8. Find the output for the following C program
f=(x>y)?x:y
a) f points to max of x and y
b) f points to min of x and y
c)error
Ans. (a)
9. What is the sizeof(long int)
(a) 4 bytes
(b) 2 bytes
(c) compiler dependent
(d) 8 bytes
10. Which of the function operator cannot be over
loaded
(a) <=
(b) ?:
(c) ==
(d) *
11. Find the output for the following C program
main()
{intx=2,y=6,z=6;
x=y==z;
printf(%d,x)
}
Section C (Programming Skills)
Answer the questions based on the following program
STRUCT DOUBLELIST
{ DOUBLE CLINKED
INT DET; LIST VOID
STRUCT PREVIOUS; (BE GIVEN AND A PROCEDURE TO DELETE)
STRUCT NEW; (AN ELEMENT WILL BE GIVEN)
}
DELETE(STRUCT NODE)
{NODEPREVNEXT NODENEXT;
NODENEXTPREV NODEPREV;
IF(NODE==HEAD)
NODE
}
Q. In what case the prev was
(a) All cases
(b) It does not work for the last element
(c) It does not for the first element
(d) None of these
Answer the questions based on the following program
VOID FUNCTION(INT KK)
{KK+=20;
}
VOID FUNCTION (INT K)
INT MM,N=&M
KN = K
KN+=10;
}
Q. What is the output of the following program
main()
{ int var=25,varp;
varp=&var;
varp p = 10;
fnc(varp)
printf("%d%d,var,varp);
}
(a) 20,55
(b) 35,35
(c) 25,25
(d)55,55
Section D
1. a=2, b=3, c=6
Find the value of c/(a+b)(a+b)/c
2. What does the hexanumber E78 in radix 7.
(a) 12455
(b) 14153
(c) 14256
(d) 13541
(e) 131112
Ans. (d)
3. 10 : 4 seconds :: ? : 6 minutes
Ans. 900
4. Q is not equal to zero and k = (Q x n  s)/2.What
is n?
(a) (2 x k + s)/Q
(b) (2 x s x k)/Q
(c) (2 x k  s)/Q
(d) (2 x k + s x Q)/Q
(e) (k + s)/Q
Questions 6  10 are to be answered on the following
data
A causes B or C, but not both
F occurs only if B occurs
D occurs if B or C occurs
E occurs only if C occurs
J occurs only if E or F occurs
D causes G,H or both
H occurs if E occurs
G occurs if F occurs
6. If A occurs which of the following must occurs
I. F and G
II. E and H
III. D
(a) I only
(b) II only
(c) III only
(d) I,II, & III
(e) I & II (or) II & III but not both
Ans. (e)
7. If B occurs which must occur
(a) D
(b) D and G
(c) G and H
(d) F and G
(e) J
Ans. (a)
8. If J occurs which must have occured
(a) E
(b) either B or C
(c) both E & F
(d) B
(e) both B & C
Ans. (b)
9. Which may occurs as a result of cause not mentioned
I. D
II. A
III. F
(a) I only
(b) II only
(c) I & II
(d) II & III
(e) I,II & III
Ans. (c)
10. E occurs which one cannot occurs
(a) A
(b) F
(c) D
(d) C
(e) J
Edited by rakesh_vyom  24Jul2006 at 1:23am
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