## Puzzle | Neighbors in a round table

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 »

## Puzzle | Eliminating Virus from a Computer Network

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 »

## Puzzle | Toggling CCTV cameras in a museum

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 »

## Puzzle | Number of Sheets to be turned so that Prime Number has a Vowel on the other side

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 »

## Puzzle | Can 2 persons be with same number of hairs on their heads?

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 »

## Puzzle | Nineteen Pirates and the King

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 »

## Puzzle | Minimum number steps to weigh 1 kg rice with 1gm weight

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 »

## Puzzle | 1000 light bulbs switched on/off by 1000 persons passing by

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 »

## Puzzle | Heads or Tails

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 »

## Puzzle | Minimum planes to go around the world

On an Island, there is an airport that has an unlimited number of identical air-planes. Each air-plane has a fuel capacity to allow it to… Read More »

## TCS DIGITAL PUZZLE | Lateral Thinking 2

Lateral thinking is the most interesting test module of tcs digital hiring process. Problem: Join all nine dots by drawing minimum number of straight lines.… Read More »

## TCS DIGITAL PUZZLE | Lateral Thinking

Lateral thinking is the most interesting test module of tcs digital hiring process. Problem: Move 3 matchsticks from the given set of matchsticks arranged as… Read More »

## Puzzle | Growing Water Lilly

Question: In the middle of a round pool lies a beautiful water lily. The water lily doubles in size every day. After exactly 20 days,… Read More »

## Puzzle | Cut Blue Painted Cube

A solid, n-inch cube of wood is coated with blue paint on all six sides. Then the cube is cut into smaller one-inch cubes. These… Read More »

## Puzzle | Minimum distance for Lizard

A lizard is present on one corner of cube, It wants to reach diagonally opposite corner of cube. You have to calculate minimum distance lizard… Read More »