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Caritor Interview Puzzle #1 - Crossing Bridge Interview Puzzle

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The scenario comprises of a wobbly bridge and four people. It is the night time and the people have only one torch. Without torch one may risk his life in crossing the bridge. Also we have a condition; the bridge is not quite strong and can hold only two persons together at one. The four people take different time to cross the bridge - 1 min, 2 min, 7 min and 10 min.

Since the torch is a necessity and the bride can't hold more than two persons at a time, two persons must travel at a time out of which one must return with the torch so they don't risk their life crossing in the dark.

What is the shortest time that will be required for all of them to cross the bridge?

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Caritor Interview Puzzle #2 - Fastest Horse Interview Puzzle

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You are provided with twenty five different horses and you must find out who are the fastest horses. You can conduct a race of five horses only at one time. There is no point in the race where you can find out the actual speed of a horse in a race.

How many races will it take to help you determine the fastest three horses?

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Caritor Interview Puzzle #3 - Monty Hall Interview Problem

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Sarah and Michael are a loving couple. One night Sarah playfully places three identical boxes on a table in front of Michael. Out of the three boxes, one contains a pearl and other two are empty. Michael is then allowed to pick any one of them. Now between the two boxes that remain on the table, at least one is empty. Sarah removes one empty box from the table. Now Michael must choose from the box he picked or the box on the table.

What box should Michael choose?

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Caritor Interview Puzzle #4 - Box with Defective Balls Interview Question

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Here is a situation. You have 10 boxes that contains balls with each of the ball weighing 10 grams precisely. Now among the boxes, one of the box comprises of defective balls with each defective ball weighing 9 grams. You have been provided with an electronic weighing machine but you are allowed to use it only once.

Can you find out which box contains defective balls?

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Caritor Interview Puzzle #5 - Complicated Logical Interview Question

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Briana possess three boxes that vary in sizes. One is large, one is medium and one is small. She places 11 large boxes on her bed. Then, she places 8 medium sized boxes in some and leave some empty. Now she puts 8 small boxes in some of the medium ones and leave the others empty. The small boxes are all empty and now she 102 out of all the boxes on the bed are empty.

How many boxes did Briana used?

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