Raj choice

1. (1/2) Of A Number Is 3 Times More Than The (1/6) Of The Same Number? Solution:1/2x=3+1/6x =>x=9 2. There are two water tanks A and B, A is much smaller than B. While water fills at the rate of 1 liter every hour in A, it gets filled up like, 10, 20, 40, 80, 160 in tank B. (At the end of first hour, B has 10 liters, second hour it has 20 liters and so on). If tank B is 1/32 filled of the 21 hours, what is total duration of hours required to fill it completely? a) 26 B)25 c)5 d)27 Solution: for every hour water in tank in B is doubled, Let the duration to fill the tank B is x hours. X/32 part of water in tank of B is filled in 21 hours, Next hour it is doubled so, 2*(x/32) part i.e (x/16) part is filled in 22 hours, Similarly (x/8) th part in 23 hours,(x/4)th part is filled in 24 hours, (x/2) th part is filled in 25 hours, (x) th part is filled in 26 hours So answer is 26 hours. 3. There Are Two Pipes A And B. If A Filled 10 Liters In Hour B Can Fills 20 Liter...

Hi Friends, TCS visited my college on 13th September for campus placement.There were four rounds for the placement procedure. They were 1. Online Aptitude test 2. Technical interview 3. Managerial interview 4. HR interview The paper pattern for aptitude was 35 questions in 80 min. NOTE:PATTERN OF TCS PAPER HAS BEEN  CHANGED NOW NO VERBAL,REASONING.IT HAS ONLY APTITUDE. Here are some of the questions which were there in my exams. Question1: There is a toy train that can make 10 musical sounds. It makes 2 musical sounds after being defective. What is the probability that same musical sound would be produced 5 times consecutively? (1 of )? Answer: 1/2 * 1/2 * 1/2 * 1/2 * 1/2 = 1/32 32 will be the answer. (My friends got similar question with "3 times consecutively"; for that the answer would be 8) Question2: A research lab in Chennai requires 100 mice and 75 sterilized cages for a certain set of laboratory experiments. To identify the mice, the lab has p...