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Re: Infosys Previous Placement Papers
Here I am giving you question paper for Infosys placement examination in a pdf File attached with it so you can get it easily. 1.There is a escalator and 2 persons move down it.A takes 50 steps and B takes 75 steps while the escalator is moving down. Given that the time taken by A to take 1 step is equal to time taken by B to take 3 steps. Find the no. of steps in the escalator while it is staionary. Solution (not sure): If A takes 1 step in one second, then B takes 3 steps in one second. If A takes t1 seconds to take 50 steps, then B takes 150 steps in t1 seconds. For B, to take 150 steps he requires t1 seconds, then to take 75 steps he requires t1/2 seconds. So now, s1=50, t1 = t1 & s2=75, t2=t1/2 ans= (s1*t2 ~ s2*t1) / (t1 ~ t2) which gives 100. so 100 steps is the answer 2. If 5/2 artists make 5/2 paintings using 5/2 canvases in 5/2 days then how many artists r required to make 25 paintings using 25 canvases in 25 days? 3. If the digits of my present age are reversed then i get the age of my son.If 1 year ago my age was twice as that of my son.Find my present age. ans. father-73, son-37 4. There are 6561 balls out of them 1 is heavy.Find the min. no. of times the balls have to be weighed for finding out the haevy ball. ans. 8 5. If i walk with 30 miles/hr i reach 1 hour before and if i walk with 20 miles/hr i reach 1 hour late.Find the distance between 2 points and the exact time of reaching destination is 11 am then find the speed with which it walks. ans. 120miles and 24 miles/hr 6. There r four face cards (J,Q,K,A) all of different types(diamond,club,spade,heart) and some conditions r given.find the order of cards ans. king -> jack -> queen -> ace heart diamond spade club 7. If A,B,C,D,E r 5 members of a family.4 of them give true statements : Infosys Previous Placement Papers |
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