There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?

If two's company, and three's a crowd, then whats four and five ?

There are a hundred statements.

First person says: At least one of the statements is false.

Second person says: At least two of the statements is false.

Third person says: At least three of the statements are false.

Fourth person says: At least four of the statements are false.

..

..

..

Hundredth person says: At least a hundred of the statements are false.

Analysing it, how many statements do you think are false and how many are true?

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

Count the number of triangles in the given picture.

What do you see in the given picture?

You are given a set of weighing scales and 12 marbles. The scales are of the old balance variety. That is, a small dish hangs from each end of a rod that is balanced in the middle. The device enables you to conclude either that the contents of the dishes weigh the same or that the dish that falls lower has heavier contents than the other. The 12 marbles appear to be identical. 11 of them are identical, and one is of a different weight. Your task is to identify the unusual marble and discard it. You are allowed to use the scales three times if you wish, but no more. Note that the unusual marble may be heavier or lighter than the others. You are asked to both identify it and determine whether it is heavy or light

What does the below image rebus riddle means ?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?