I am an odd number. Take away a letter and I become even. What number am I?

Can you find the key in the picture below?

I am beautiful, up in the sky. I am magical, yet I cannot fly. To people I bring luck, and to some people, riches. The boy at my end does whatever he wishes. What am I?

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

There was a strange boy who was born before his father. How can this be possible?

I am not alive, but I grow; I don't have lungs, but I need air; I don't have a mouth, but water kills me. What am I?

Identify the 10 differences between the two given pictures.

Replace the question mark with the correct number in below Picture:

Rose, Lily and Jasmine decided to buy flowers for their moms on Mother's Day. One of them bought lilies, the other roses, and the third one jasmines.
'It's funny!' said the girl with roses, 'we bought roses, jasmines and lilies, but none of us bought the flowers matching her name'.
'You're right!', said Lily.
What kind of flowers did each of the girls buy?

What does the following represent?

N N N N N N N

A A A A A A A

C C C C C C C