Find the missing letter in the last circle logically in the given below picture.

What's a single-digit number with no value?

A red house is made out of red bricks. A yellow house is made out of yellow bricks. And, a blue house is made out of blue bricks. So, what is a greenhouse made of?

2 ladies and 2 girls need to cross a river in a boat big enough for 1 LADY or 2 girls. How do they do it?

What has hands, but can’t clap?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

What's the best place to go shopping in the ocean?

Can you make the below equation true by using any three numbers from "1, 3, 5, 7, 9, 11, 13 and 15"?

( ) + ( ) + ( ) = 30

Get total of 120 by using five zeros 0,0,0,0,0 and any one mathematical operator.
Do you ?

What does this rebus means ?