• Placement Questions

Frequently Asked Interview Questions and Answers

(#M40001477) TCS QUESTION Keep an EYE

Lion tells lie on Monday, Tuesday, and Wednesday. Rat tells lie on Thursday, Friday and Saturday. Both of them speak truth on other days. Lion tells, “Yesterday was one of the days which I tell lying”. Rat also tells, “Yesterday was one of the days which I tell lying”. What day was yesterday?

Asked In TCS Karthick Babu (14 years ago)

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(#M40001466) SELF QUESTION Keep an EYE

A bridge will collapse in 17 minutes.

4 people want to cross it before it will collapse. It is a dark night and there is only one torch between them.

Only two people can cross at a time.

"A" takes a minute to cross.
"B" takes 2 minutes.
"C" takes 5
and "D" takes 10 minutes

How do they all cross before the bridge collapses?

Karthick Babu (14 years ago)

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(#M40013183) SELF QUESTION Keep an EYE

The Minimum no. of square size tiles to fill the floor of a room measuring 9 m * (6 + 2/5) m, is
A) 1240 B) 1400 C)1440 D)1660

Karthick Babu (13 years ago)

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(#M40001502) UPSC QUESTION Keep an EYE

5+7+4=364730
9+6+3=456990
8+2+9=912672
then
7+3+5=??????

Asked In UPSC Karthick Babu (14 years ago)

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(#M40001465) SELF QUESTION Keep an EYE

A solid, four-inch cube of wood is coated with blue paint on all six sides.
Then the cube is cut into smaller one-inch cubes.

These new one-inch cubes will have either three blue sides, two blue sides, one blue side, or no blue sides. How many of each will there be?

Karthick Babu (14 years ago)

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(#M40001468) TCS QUESTION Keep an EYE

If there are 30 cans out of them one is poisoned if a man tastes very little he will die within 14 hours. Now mice are used to test in 24 hours, how many mices are required to find the poisoned can?

Solution

If mouse would die exactly after 14 hrs then definitely 1 will be the answer but here the given condition says that mouse will die within 14 hrs.
so this question will be solved by set theory.
answer is following
total beer bottles = 6
drinking strategy
bottle1 : mouse1
bottle2 : mouse2
bottle3 : mouse3
bottle4 : mouse1 and mouse2
bottle5 : mouse2 and mouse3
bottle6 : mouse3 and mouse1
on the basis of death of mice set we can decide the poisoned bottle

in this question upto 2 bottle answer will be 1 because 2^1 = 2
similarly upto 4 bottles answer will be 2 because 2^2 = 4
for upto 8,16,32,64,128 bottles answer will be 3,4,5,6,7

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Asked In TCS Karthick Babu (14 years ago)

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(#M40002238) CAT QUESTION Brain Busters Keep an EYE

2+3=8
3+7=27
4+5=32
5+8=60
6+7=72
7+8=??

Asked In CAT Karthick Babu (14 years ago)

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(#M40001475) TCS QUESTION Keep an EYE

In Tnagar many buildings were under residential category for buildings they number as 1 to 100. For shops, corporation numbered between 150 and 200 only prime numbers. how many time 6 will appear in building numbering?

Asked In TCS Karthick Babu (14 years ago)

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(#M40001467) SELF QUESTION Keep an EYE

I am thinking of a 6-digit number. The sum of the digits is 43.

And only two of the following three statements about the number are true:

(1) it's a square number,
(2) it's a cube number, and
(3) the number is under 500000.

Karthick Babu (14 years ago)

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(#M40002239) CAT QUESTION Keep an EYE

5+3+2=151022
9+2+4=183652
8+6+3=482466
5+4+5=202541
7+2+5=??????

Asked In CAT Karthick Babu (14 years ago)

Unsolved Read Solution (14)

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