## Puzzle | Four Glasses and Blindfold

Four glasses are placed on the corners of a square plate which can rotate about its center. Glasses are either upright (up) or upside-down (down)… Read More »

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Four glasses are placed on the corners of a square plate which can rotate about its center. Glasses are either upright (up) or upside-down (down)… Read More »

There are n glasses on the table, all standing upside down. In one move, you are allowed to turn over exactly n – 1 of… Read More »

There are two gates. One goes to hell and the other goes to heaven. The gatekeeper asks a puzzle to Sahil in order to decide… Read More »

Sahil has got a challenge problem from his friend Akhil. Sahil has to find all values of n for which one can fill an n… Read More »

There are n students in a class, each in possession of a different funny story. As the students were getting bored in the class, they… Read More »

Sahil and Ritik are brothers. One day they were discussing who is smarter. But gradually the discussion turned into an argument. Mother came and tried… Read More »

Given 2n counters where n > 1. You have to place these 2n counters on an n × n board so that no more than… Read More »

Sahil and Amrit are friends. One day Amrit comes to Sahil’s home to take him outside so that they can play together. But Sahil denies… Read More »

A couple invites n – 1 other couples to dinner. Once everyone arrives, each person shakes hands with everyone he doesn’t know. Then, the host… Read More »

James and Calie are a married couple. They have two children, one of the child is a boy. Assume that the probability of each gender… Read More »

Puzzle: We have to divide crescent moon in 6 parts, parts size does not matter. Only we have to cut the crescent moon in a… Read More »

There is man on the terrace of a building and he wants to find the height of the building. Man wears a watch only and… Read More »

There is an old man and he has four sons. The old man is in critical situation and his last wish is to divide his… Read More »

Suppose we have 3 glasses and 10 coins. The problem is to place odd number of coins in each glass i.e. each glass should contain… Read More »

1. Which letter replaces the “?”: L : O R : I E : V M : ? Solution : N, because if we assign… Read More »