Can you find the ages of a son, father and grandfather based on the following facts?
The sum of the ages of grandfather, father and son is 140 years.
The age of the son in months is the same as the grandfather in years.
The age of the son in days is the same as the father in weeks.

Solve the puzzle by telling what does below picture means.

A chess tournament is taking place on knock-out terms (the one who loses the match is out of the game).
(a) If 10 matches are played in total, how many players participated?
(b) If 20 players took part in the tournament, how many matches were played?

Can you count the number of matches in the picture below ?

Find the missing number in the sequence below:

There are forty elephants and they have forty-fore heads. How can this be possible?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

Solve the below puzzle by replacing the question mark with the correct number.

3 6 12

4 8 16

5 10 ?

In the given figure, move three matchsticks so that the resulting figure contains two rectangles.

I had an infinite supply of water and 5 litres and 3 litres jars.

How would you measure exactly 4 litres in the least number of steps?