Given N number of bottles in which one bottle is poisoned. So the task is to find out minimum number of rats required to identify… Read More

# Category Archives: Puzzles

Problem Statement: A secret can be told only to 2 persons in 5 minutes. The same person tells to 2 more persons and so on.… Read More

The task is to find the last two digits of x^y. Since the digits with which it can end are 0-9, Hence this problem can… Read More

You have 4 bottles of milk. One of them is poisonous while the other 3 are non-poisonous. There is a rat which dies exactly after… Read More

A person hosts a party and invites N guests to it. However, each guest has a condition, that each guest ‘Gi’ only stays at the… Read More

A seller has some quantity of rice with him. The seller offered his customer that if he/she buys half of the rice he has, he… Read More

There are 6 persons seating on a round table in which two individual have the same names. What is the probability that the two same-named… Read More

In a network of infinitely many computers, 650 computers got infected with certain virus. The IT support team has access to five different types of… Read More

A museum is fitted with 16 surveillance CCTV cameras each of which is switched on or off by a different switch. Say, switch 1 controls… Read More

There are five sheets of paper each of which has a whole number on one side and and an alphabet on the other side written… Read More

One day Ram and Shyam were searching Google for finding what is the maximum number of hairs on the human head. They found that it… Read More

Nineteen pirates (one of them is their leader) were caught by the king one day. But the king heard many stories of spontaneous wit of… Read More

There is a bag of rice given to us and we need to get 1 Kilogram of rice from it but we have only a… Read More

There are 1000 light bulbs and 1000 persons. All light bulbs are initially off. Person 1 goes flipping light bulb 1, 2, 3, 4, …… Read More

50 coins are lined up on a table (initially all heads facing upwards). 50 people pass from the coins one by one in the following… Read More