Find the number of squares in the below picture

In a mathematical quiz, you are asked the following question:

Use three 9s in a mathematical expression without dividing or multiplying to form the number one.

Can you answer the question?

O_er_t_o_

Complete the missing letters of the given word.

You have two buckets of 11 liters and 6 litres.
How can you measure exactly 8 litres?

What is the last thing you take off before bed?

Doctor Alex and a bus driver John are both in love with the same woman named Olivia. The bus driver need to go for a long trip of 10 days, Before he left he gave Olivia 10 apples.

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

Find the value of "a" by solving the maths equation in the picture below:

It's a test that will check your IQ.

Suppose you have one 11 minute hourglass and one 13 minute hourglass.

Can you measure exactly fifteen minutes using them ?

A and B have a certain number of chocolates with them. If B gives one chocolate to A, they will have an equal number of chocolates. But if A gives one chocolate to B, then A will be left with half the number of chocolates that B has.

Can you find out the number of chocolates they have right now?