A woman lives in a Tall building thirty-six floors high and served by several elevators which stop at each floor going up and down. Each morning she leaves her apartment and goes to one of the elevators. Whichever one she takes is three times more likely to be going up than down. Why?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

What does this rebus riddle means ?

We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?

I am an odd number. Take away a letter and I become even. What number am I?

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

Can you decipher these quotes by Albert Einstein?
Blf xzm mvevi hloev z kilyovn lm gsv ovevo lm dsrxs rg dzh xivzgvw.

We have two identical balls in terms of diameter and weight. However, one of them is solid and the other is hollow.

Without knocking the ball, can you find the solid ball?

Who can jump higher than a Mountain?

How can you drop a raw egg from a height onto a concrete floor without cracking it?