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Interview Puzzles

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Aishwarya Saseendran
Aishwarya Saseendran

PUZZLES FOR YOUR INTERVIEW I had attended an Interview at Fiserv. One can always expect Puzzles in your interview at Fiserv. These were Few questions that i was asked. Go ahead! Think logically! Train Brain! :P

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INTERVIEW PUZZLES 1. There are 3 ants sitting on three corners of a triangle. All ants randomly pick a direction and start moving along edge of the triangle. What is the probability that any two ants collide? 2. One monkey climbs 6 mts and fall 3 mts in alternate minutes then time taken to climb a tree 60 meters high? 3. There are 1800 employees in a company. If each manager has 19 employees under him. How many managers are there in the company? 4. There is a building of 100 floors If an egg drops from the Nth floor or above it will break. If it’s dropped from any floor below, it will not break. You’re given 2 eggs. Find N 5. At a party, everyone shook hands with everybody else. There were 66 handshakes. How many people were at the party? 6. You have a birthday cake and have exactly 3 cuts to cut it into 8 equal pieces. How do you do it? 7. You have 3 baskets, one with apples, one with oranges and one with both apples and oranges mixed. Each basket is closed and is labeled with ‘Apples’, ‘Oranges’ and ‘Apples and Oranges’. However, each of these labels is always placed incorrectly. How would you pick only one fruit from a basket to place the labels correctly on all the baskets? 8. You are given 8 identical looking balls. One of them is heavier than the rest of the 7 (all the others weigh exactly the same). You a provided with a simple mechanical balance and you are restricted to only 2 uses. Find the heavier ball. 9. You have 2 pieces of rope, each of which burns from one end to the other in 30 minutes (no matter which end is lit). How can you measure 45 minutes with these two ropes? 10. How many tennis balls are in this room and why?

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Interview Puzzles

  • 1. INTERVIEW PUZZLES 1. There are 3 ants sitting on three corners of a triangle. All ants randomly pick a direction and start moving along edge of the triangle. What is the probability that any two ants collide? 2. One monkey climbs 6 mts and fall 3 mts in alternate minutes then time taken to climb a tree 60 meters high? 3. There are 1800 employees in a company. If each manager has 19 employees under him. How many managers are there in the company? 4. There is a building of 100 floors If an egg drops from the Nth floor or above it will break. If it’s dropped from any floor below, it will not break. You’re given 2 eggs. Find N 5. At a party, everyone shook hands with everybody else. There were 66 handshakes. How many people were at the party? 6. You have a birthday cake and have exactly 3 cuts to cut it into 8 equal pieces. How do you do it? 7. You have 3 baskets, one with apples, one with oranges and one with both apples and oranges mixed. Each basket is closed and is labeled with ‘Apples’, ‘Oranges’ and ‘Apples and Oranges’. However, each of these labels is always placed incorrectly. How would you pick only one fruit from a basket to place the labels correctly on all the baskets? 8. You are given 8 identical looking balls. One of them is heavier than the rest of the 7 (all the others weigh exactly the same). You a provided with a simple mechanical balance and you are restricted to only 2 uses. Find the heavier ball. 9. You have 2 pieces of rope, each of which burns from one end to the other in 30 minutes (no matter which end is lit). How can you measure 45 minutes with these two ropes? 10. How many tennis balls are in this room and why?