Replace the question mark with the correct number in the below-given picture?

What came first, the chicken or the egg?

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

What jumps when it walks and sits when it stands?

I noticed one of the words in the oxford dictionary is spelled incorrectly. What about you?

What is the coolest letter in the alphabet?

Why Wine Glass Stem is so long?

Wednesday, Steve and Pam go to a restaurant to eat lunch. After eating lunch, they pay the bill. But Steve and Pam do not pay the bill. So…who does?

Three friends named Mr. Black, Mr. Yellow and Mr. Green enter a pub on a weekend night. They are wearing either a Black, Yellow or Green shirt.

Mr. Yellow says to them, 'Did you notice that we all are wearing different color shirts than our names?'

To this, the man who was wearing the Green shirt said. 'Wow, thats right.'

Can you identify who is wearing which colour shirt ?

When I get multiplied by any number, the sum of the figures in the product is always me. What am I?