Replace the question mark with the correct number below.

Spot the cat in the picture below

He loves to dance, twist and prance, he shakes his tail, and as a way he sails, wingless he flies into the sky. What is he?

Why 1729 is a magic number? Answer Logically.

It is a six-letter word.
The first four letters are me.
The second and last letters are the same.
The fourth second and last letter is payment.

Who is it?

Spot what is wrong here in below Picture?

What brings you down but never up?

You need to arrange three 7 and mathematical symbols to form number 1?

How can a man go eight days without sleep?

In the Mexico City area, there are two Houses H1 and H2. Both H1 and H2 have two children each.
In House H1, The boy plays for Mexico Youth academy and the other child plays baseball.
In House H2, The boy Plays soccer for his school in Mexico and they recently have a newborn.

Can you prove that the probability of House-H1 having a girl child is more than that of House-H2?