A kind heart person buy packed food at 3$/packet from United states and sells them at 1$/packet at Africa. After some time he becomes a millionaire.

How come the guy become millionaire ?

A rubber ball keeps on bouncing back to 2/3 of the height from which it is dropped. Can you calculate the fraction of its original height that the ball will bounce after it is dropped and it has bounced four times without any hindrance ?

Rectify the following equality 101 - 102 = 1 by moving just one digit.

What is the next number in the series?

15 29 56 108 208 ?

Why do we preferably have round manhole covers and not square ones?

The first box has two white balls. The second box has two black balls. The third box has a white and a black ball.

Boxes are labeled but all labels are wrong!

You are allowed to open one box, pick one ball at random, see its colour and put it back into the box, without seeing the colour of the other ball.

How many such operations are necessary to correctly label the boxes?

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

Can you find the number?

My thunder comes before the lightning; my lightning comes before clouds; my rain dries all the land it touches. What am I?

Something Extraordinary happened on May 6th 19778 at 12:34am what was that?

Chhote se Chintu Miyan,
Lambi si Pooch.
Jahan Jaye Chintu Miyan,
Wahan Jaye Pooch.

छोटे से चींटू मियाँ,
लंबी सी पूंछ।
जहाँ जाये चींटू मियाँ,
वहाँ जाये पूंछ।

Bolo kya?