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(#M40033753) TCS QUESTION Keep an EYE

A can complete a piece of work in 8 hours, B can complete in 10 hours and C in 12 hours. If A,B, C start the work together but A laves after 2 hours. Find the time taken by B and C to complete the remaining work.

1) 2 (1⁄11) hours
2) 4 (1⁄11) hours
3) 2 (6⁄11) hours
4) 2 hours

Asked In TCS ravikiran (11 years ago)

Solved Mounika Dantuluri Read Solution (22)

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(#M40033672) TCS QUESTION Keep an EYE

Q). A Programmer noted the results of attempting to run 20 programs. The results that 2 programs run correctly in the first attempt, 7 programs run correctly in the second attempt, 5 programs run correctly in the third attempt, 4 programs run correctly in the fourth attempt and 2 programs run correctly in the fifth attempt. What is the probability that this next program will run correctly on the third run ?

1) 1⁄4
2) 1⁄3
3) 1⁄6
4) 1⁄5

Asked In TCS ravikiran (11 years ago)

Unsolved Read Solution (4)

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(#M40033564) TCS QUESTION probability Keep an EYE

Q).Two question booklets for an aptitude test are to be given to students. In how many ways can the students be placed in two rows of six each so that there should be no identical series side by side and that, the students sitting one behind the other should have the same series ?
1) 2 × 12 C 6 × ( 6 ! ) 2
2) 6 ! × 6 !
3) 7 ! × 7 !
4) None of these

Asked In TCS ravikiran (11 years ago)

Unsolved Read Solution (5)

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(#M40033670) TCS QUESTION Keep an EYE

Q). If there are 254 barrels out of which one is poisoned, if a person tastes very little he will die within 14 hours so if there are mice to test and 24 hours to test, how many mice are required to find the poisoned barrel ?

1) 3
2) 2
3) 6
4) 8

Asked In TCS ravikiran (11 years ago)

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(#M40033693) TCS QUESTION Keep an EYE

Q). There are two bags. One bag contains 4 white and 2 black balls. Second bad contains 5 white and 4 black balls. 2 balls are transferred from first bag to second bag. Then one ball is taken from the second bag. The probability that the ball is white is ?

1) 42⁄165
2) 5⁄165
3) 48⁄165
4) 19⁄33

Asked In TCS ravikiran (11 years ago)

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(#M40033667) TCS QUESTION Keep an EYE

Q1. At 6 o’ clock, a clock ticks 6 times. The time between first and last tick is 30 seconds. How long does it tick at 12 o' clock ?

1) 66 secs
2) 60 secs
3) 72 secs
4) 65 secs

Q2. A cube is painted red on two adjacent faces and on one opposite face, yellow on two opposite faces and green on the remaining face. It is then cut in to 64 equal cubes.
Q. How many cubes have only one red colored face ?

1) 4
2) 8
3) 12
4) 16

Asked In TCS ravikiran (11 years ago)

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(#M40033617) TCS QUESTION Keep an EYE

Q).A Bag contains P white and Q black balls. Two players A and B alternately draw a ball from the bag, replacing the balls each time after the draw till one of them draws a white and wins the games. If A begins the game and the probability of A winning the game is 3 times that of B, than of the ratio P : Q is

a)3:4
b)4:3
c)2:1
d)1:2

Asked In TCS ravikiran (11 years ago)

Unsolved Read Solution (3)

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(#M40033661) TCS QUESTION Keep an EYE

Q). If X = ( 16^3 + 17^3 + 18^3 + 19^3 ), then X divided by 70 leaves a remainder of
Option
1) 0
2) 1
3) 69
4) 35

Asked In TCS ravikiran (11 years ago)

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(#M40033665) TCS QUESTION Keep an EYE

Q). 2 cm of rain has fallen on a sq.km of land. Assuming that 50 % of the raindrops could have been collected and contained in a pool having a 100 m x 10 m base, by what level could the water level in the pool have increased ?

1) 15 m
2) 20 m
3) 10 m
4) 25 m

Asked In TCS ravikiran (11 years ago)

Unsolved Read Solution (3)

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(#M40033619) TCS QUESTION Keep an EYE

Q). Number of prime factors in (216)^3 / 5 x (2500)^2 / 5 x (300)^1 / 5 is :
Option
1) 3
2) 4
3) 6
4) 7

Asked In TCS ravikiran (11 years ago)

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