How old is your son? asked a man to his neighbour. My son is five times as old as my daughter and my wife is five times as old as my son. I am twice as old as my wife whereas my grandmother, who is celebrating her eighty-first birthday is as old as all of us put together.

How old is the man's son ?

Can you replace the X (both small and big x) with the numbers between 1 to 19 such that all the rows of 3 numbers between X (big x) sum to 23?

Find the hidden panda in the image below.

What jumps when it walks and sits when it stands?

Can you find the odd number in the following?

2716, 4135, 5321 and 7145

Two boys were admitted to a school. When the headmaster asks them about their parents, they tell him that they have same parents (father and mother). On further inquiry, it turns out that they both share the same date for their birthday.

"Are you twins," ask the headmaster.
"No," replies the boys.

Is it possible?

Why Aeroplane windows are round?

Can you identify the famous TV character from the rebus below?

What is black when you buy it, red when you use it, and gray when you throw it away?

The dirtier I get, the whiter I look. Who am I?