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# Puzzle Archives :: Interview Puzzles

#### Co. Cloud

Interview Puzzles Practice Set 12

• Question :: 1

A blind man has four pills: two red and two blue. The pills are identical in terms of shape, size, texture, weight, smell and so on. Only the colors are different. So the blind man cannot distinguish between a red pill and a blue pill. Now the blind man must consume exactly 1 red pill and 1 blue pill. If he consumes two red pills or two blue pills, he will immediately die. What strategy will enable the blind man to ensure that he consumes exactly one pill of each color?

No Best Answer on this question yet!

Not Yet Asked in Any of the Companies

• Question :: 2

Imagine a 3x3x3 wooden cube. How many cuts do we need to break it into twenty-seven 1x1x1 cubes? A cut may go through multiple wooden pieces.

No Best Answer on this question yet!

Not Yet Asked in Any of the Companies

• Question :: 3

You are given three piles with 5, 49 and 51 pebbles respectively. Two operations are allowed: (a) merge two piles together or (b) divide a pile with an even number of pebbles into two equal piles. Is there a sequence of operations that would result in 105 piles with one pebble each?

No Best Answer on this question yet!

Not Yet Asked in Any of the Companies

• Question :: 4

Peter and Cynthia stand at each end of a straight line segment. Peter sends 50 ants towards Cynthia, one after another. Cynthia sends 20 ants towards Peter. All ants travel along the straight line segment.

Whenever two ants collide, they simply bounce back and start traveling in the opposite direction. How many ants reach Peter and how many reach Cynthia? How many ant collisions take place?

No Best Answer on this question yet!

Not Yet Asked in Any of the Companies

• Question :: 5

Rajeev is trapped atop a building 200m high. He has with him a rope 150m long. There is a hook at the top where he stands. Looking down, he notices that midway between him and the ground, at a height of 100m, there is a ledge with another hook. In his pocket lies a Swiss knife. Hmm... how might he be able to come down using the rope, the two hooks, and the Swiss knife?

No Best Answer on this question yet!

Not Yet Asked in Any of the Companies

Puzzle test enable the companies to check the Logical skills of a candidate. Check out these Puzzle topics with answers for the interview! You can choose a topic and speak up your mind through a Gmail type editor.