If you go to the movies and you're paying, is it cheaper to take one friend to the movies twice, or two friends to the movies at the same time?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

On a bus, there is a 26-year-old pregnant lady.
A 30-year-old policeman.
A 52-year-old random woman.
And the 65-year-old driver.

Who is the youngest?

If,

A + B = C
D - C = A
E - B = C

Based on the above equations, find out the answer for:

D + F = ?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

Why is Saturday stronger than Monday?

How many people must be gathered together in a room, before you can be certain that there is a greater than 50/50 chance that at least two of them have the same birthday?

Solve the alphametic puzzle by replacing the alphabet with the number.

S T O R M +
S O L E S
=========
T O W E L
=========

Find out the number of circles in the given picture having Illusion

What is next number in the pattern below:

131 517 192 123 ?