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Home » Placement Papers » L & T Infotech Placement Paper  »L & T Infotech Placement Paper 2nd JUNE

 

L & T PAPER ON 2nd JUNE


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L & T INFOTECH PAPER ON 2nd JUNE 

Hi friends...Im a student of CVRCE who gave L&T infotech exam on 2nd june 2007 i would like to share paper with u people...

There were three rounds
1.Aptitude
2.Technical +HR

Aptitude Questions :
-> If a person takes 5 days and 8 hrs to dig a trench ; then how many persons will dig 3 trenches in 1 day (with each day of 8 hrs work) ?

-> If 4apples and 6oranges cost 13/- and 2apples & 4oranges cost 7/- find cost of one apple and one orange.
Sol: subtract 2nd eqn from 1st then we have 2a-2o=6 =>1apple and 1orange cost 3/-

-> If a person travels for P km in t hrs and then increases his speed by x km/hr find his new speed.
a) (p/t)+x b) pt+x c)p/x+t d)pt/x ans:a

-> A man has to dilute milk from 36lts which costs x/- to y/- a litre wat is da amt of water that he should add ?

-> If avg. of 6 nos. is 8 and later 2 new nos. are added such that the avg of the present 8 nos is 6 then what is the avg of newly added two nos.
Sol: avg=total sum of values/ no of objects or observation
? 8 =total sum of values of 6 nos /6
? total sum of values of 6 nos=6*8=48
now when 2 new nos are added applying same formula 6= total sum of values of 8 nos/8
? total sum of values of 8 nos=48 so the value has not changed which means the sum of added 2 nos is zero so avg=zero/2=zero

-> If you divide a number by 5 and 7 then the reminder is 2 If you divide that number by 35 then what is the reminder ?

-> The Arthematic mean of .... .. .. ... (i dnt remember )

->. One on mean 6 16 64 ?

-> What % of 4/7 is 4/5?
Sol: {(4/5)/(4/7)}*100= ans =140%

-> By what % should a person sell an article so as to gain a profit of 24% even after giving a discount of 10 %
Sol) the easiest way to solve such problems is by assuming the cost price as 100rs
So to get a profit of 24% means to sell at 100+24=124/-
So suppose he sold it at 10% discount initially he sells at 90rs so ther is a difference of 34/- (options were a)40% b)45% c)50% d)60/- )

-> Matrix addition:
If 1 2 3 1 1 1 0 1 2
5 7 9 = 3 4 7 + 2 3 2
2 3 4 1 1 1 1 2 ?
then what is the value of ? (some thing like this )

-> Find the determinant of a 3*3 matrix?

-> A red light glows every 10sec, yellow every 15sec and red every 18sec. find the number of times all three glow together from 8:00AM to 9:00AM (including both times)
Sol : LCM of 10,15,18 = 90
So every 90 seconds all three glow together so in one hour there are 3600 secs So 3600/90=40 times but answer is 41 because they glow at 0th second that is at 8 Am since both times are included.

-> The bus was traveling at a distance of 60 mts before a car in 20 secs da car is ahead of bus by 40 mts if the car was traveling at a rate of 30km/hr Find the speed of da bus ?
ans : 20m/s

-> If age of a person is x and his mothers age is 34. then after how many years will the mothers age be twice of the son?

-> A Father told his son " I was Your age when I got married " Now the fathers age is 35 what will be his sons age before 5 yrs ?

-> If a kite is at a height of 75mts from ground and the angle of inclination from a point on ground is 60degree then find length of the kite sting.
Sol: based on trigonometry heights and distances: sin60=height of kite/length of string(altitude/hypotenuse)

->sqrt625.13 * 16 + 1667.66 / 17 == ???? ( dont remember the values correctly)

-> 135.55 * 565 = 76 % * x Find x ? ( values r nt da same )

-> Statistical question on Sales of a company ???
3 qns were given on that

Non Verbal
-> Passage and questions based on that passage total 5 qns v hav to answer reading that passage
-> 3 questions based on giving 3 figures and then we are required to find the 4th fig which comes next in the logical sequence
(Rs Agarwal qn 44,45, 46 in Non verbal Resoning chapter- Series same qns)
-> Find the number of straight lines in the following figure ? (Rs Agarwal 3rd qn page : 243 Non verbal Reasoning )
-> How many Triangles are there in the following figure ? (Rs Agarwal 19th qn page : 246 Non verbal Reasoning )
->Statements and assumptions ( 3 qns )
->Reasings qns (Rs Agarwal Pg 18 qn 5,6 Chapter Reasoning )
-> Qns on Coading and decoding
-> blood relation qns
-> Which diagram best represents musician, violinist and instrumentalist
Ans: three concentric circles the outermost circle being musician the inner circle instrumentalist and the innermost being violinist.Because every violinist a musician and instrumentalist but not the viceversaEvery instrumentalist is a musician but not the viceversa
-> polygon, quadrilateral and rhombus
Ans : the same as above answer rhombus is the innermost then the quadrilateral and outside is the polygon Explaination: a polygon is a 3 or more close sided figure so even a triangleand pentagon are polygons so is a quadrialateral which is a 4 sided fig and quad includes rombus, square, rectangle, kite, trapezium etc

Verbal
-> Synonyms
-> Antonyms
-> Analogy
-> Odd one out
-> Fill in da appropriate words
-> Replace the word with a suitable 1
-> Correct da Sentence
->Replace the line if necessary
-> Questions on passage very easy v can answer 5 qns in 1 min .
( Time Management is Very important ).
 all the best

By,
VARUN KUMAR

 

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