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 = ?

Consider this about a word: The first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word?

A man is shown a portrait painting. He looks closely, then tells, “Brothers and sisters have I none, but that man’s father is my father’s son!” Who is the man in the portrait?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

What can jump higher than a building?

Replace the question mark with the correct number.

A boy was driving a car, a girl took a lift from her. She asked his name. The boy said - my name is hidden in my car’s number, find it if you can. After this, she got down Car number was [ WV733N ] Can you guess the name now?

Decode this picture on T-Shirt and tell what it says ?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?