Replace the question mark with the correct number.

A B C D E F G H

These are the letters given to you. Now you have to find out the letter that comes two to the right of the letter which is immediately to the left of the letter that comes three to the right of the letter that comes midway between the letter two to the left of the letter C and the letter immediately to the right of the letter F.

Find the next number in the sequence

5 12 24 36 ?

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

While going to your grandmother's house, you counted Twenty houses on the right side. While returning back to your home, you counted Twenty houses on the left side.

How many houses are there between your home and your grandmother's home?

Find the number of squares in the below picture

There are are five things wrong with this sentence; only geniuses will be able to to spot all of the mitstakes

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

In the four images below, can you find the odd one out?

If we add four times the age of John four years from now to five times his age five years from now we get ten times his current age.

How old will John be two years from now?