Can you replace the question mark with the correct letter?

6 + 6 + 6 = N
7 + 7 + 7 = E
8 + 8 + 8 = R
0 + 0 + 0 = ?

What number divided by 4 is the same as that number minus 4?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

Which country gets ill every time?

Can you find out a way through which you can make five squares out of the given figure by moving just six match sticks?

How many words can a pen with half refill write?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

Krish is 45 years old and his mother Crishtina is 73 years old.

Can you find out how many years ago, his mother was three times his age?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?