Find the number of squares in the below-given picture.

I never stop running even when I standstill. If I am formed by joining two identical bodies together, can you guess who I am?

Make eight squares by moving only two matchsticks.
Note- Square can be of different sizes.

There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

You need to move three matchsticks to form three squares. Can you do it?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

There are three boxes of different sizes with three cupcakes inside each of the boxes in Christina's kitchen. At night her daughter wakes up and goes to the kitchen. She opens a box and eats all three cakes.

But in the morning Christina finds out that each box still had three cupcakes. How?

What is common among 11, 69, and 88?

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?

There are two words one resembles the "state of rest" and the other is related to "writing/reading material".

Can you name these two words which also sound similar?