By Admin
  • Views : 50k+
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#1 - Monty Hall Interview Problem

Difficulty Popularity

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?

By Admin
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#2 - NetApp Interview Tricky Probability Puzzle

Difficulty Popularity

What is the probability that two friends have their birthday in the same month?

By Admin
  • Views : 50k+
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#3 - HTC Logical Interview Problem

Difficulty Popularity

You go to your friend's place and decide to stay at night. At night you start feeling cold and he asks you to open the drawer attached with the cupboard and take out socks for all three of you. But he keeps a condition that you have to take out three pairs of same color.

In the drawer, there are 2 red, 4 yellow, 6 purple, 8 brown, 10 white, 12 green, 14 black, 16 blue, 18 grey, and 20 orange socks. The problem is that the room is dark and you can't see anything.

In such a scenario, how many socks will you have to take out to make sure that you have at least three pairs of socks of same color?

By Admin
  • Views : 40k+
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#4 - Equilateral Triangle Interview Puzzle

Difficulty Popularity

There is an equilateral triangle and three bugs are sitting on the three corners of the triangle. Each of the bugs picks up a random direction and starts walking along the edge of the equilateral triangle. What is the probability that none of the bugs crash into each other?

By Admin
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#5 - Tricky Probability Interview Puzzle

Difficulty Popularity

Rihanna puts 9 pairs of blue socks and 8 pairs of grey socks in a drawer. She picks up 3 socks. Calculate the probability that she will pick up a pair of blue socks?

By Admin
  • Views : 40k+
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#6 - Intel Logical Interview Question

Difficulty Popularity

Mark went to visit his mother last weekend which is about 250 miles away from his home. He started 7am in the sunny morning of Saturday and found out that the road was too crowded. There were times that he has completely stationary. He reached his mother's house after lunch.

He had to return on Sunday and he had to travel through the same route again. He left the place at 7 am and found no traffic at all and reached home before lunch time enjoying a smooth drive.

What is the probability that he was at the same point at the same time on both the days he traveled?

By Admin
  • Views : 40k+
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#7 - Cisco Series Interview Question

Difficulty Popularity

Find the next term in the sequence
23, 25, 53, 163, 657, 3291, __?

By Admin
  • Views : 30k+
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#8 - Gate to Heaven Interview Puzzle

Difficulty Popularity

Amanda dies and reaches at the gate of heaven. She has three doors in front of her out of which only one of them leads to heaven. Out of the other two gates, one leads to hell for one day and then back to the gate and one leads to hell for two days and then back to the gate. If she chooses one of these two gates, the gates are shuffled when she returns back.

How long will Amanda take to reach heaven?

By Admin
  • Views : 30k+
  • Sol Viewed : 10k+

#9 - Easy Probability Interview Puzzle

Difficulty Popularity

On being asked anything, Andy speaks truth 80 percent of the times whereas Brian speaks truth 60 percent of the time.

Calculate the probability that they tell the truth at the same time.

By Admin
  • Views : 30k+
  • Sol Viewed : 10k+

#10 - Qualcomm Interview Probability Question

Difficulty Popularity

You are given with 16 numbers that are mentioned below the question. Suppose if you have to pick any three numbers from them randomly, what is the probability that the chosen numbers will add to give a sum of 6?

The number are
1 2 3 1
2 3 1 2
3 1 2 3
1 2 3 1

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