Why do we preferably have round manhole covers and not square ones?

A girl has as many brothers as sisters, but each brother has only half as many brothers as sisters. How many brothers and sisters are there in the family?

What is the largest number you can write with just 3 digits?

Using mathematical symbols like +, -, and x in order to make the equations correct. Replace # with the above-given symbols.

9 # 8 # 7 # 6 # 5 # 4 = 91

Where do fish keep their money?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?

Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

What is always in front of you but can’t be seen?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

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.