If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

A man is looking at a photograph of someone. His friend asks who it is. The man replies, “Brothers and sisters, I have none. But that man’s father is my father’s son.” Who was in the photograph?

What kind of tree can you carry in your hand?

Can you Find and name the hidden bird in the picture below ?

There was a blind beggar living on the footpath of a street. Suddenly one day, the beggar's brother died. What was the relation of the blind beggar with the person who died?

PS: Brother is not the answer.

What does does this rebus picture means ?

Find the next number in the series below

21 32 54 87 131 ?

I can write cow in 13 letters.

Can You?

If,
29 - 1 = 30
9 - 1 = 10
14 - 1 = 15

Based on similar logic, Can you prove that the below algebraic equation is true?
11 - 1 = 10 ?

What has 13 hearts but no other organs?