How can you take 2 from 5 and leave 4?

A tree doubled in height each year until it reached its maximum height over the course of ten years. How many years did it take for the tree to reach half its maximum height?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

There are nine letters in the below-given diagram. You have to form a nine-letter word using these letters.

Solve the mathematical equation in the picture below.

If in a car race, the man who came two places in front of the last man finished one ahead of the man who came fifth, how many contestants were there?

When we see 2 but call 10?

What month of the year has 28 days?

Can you think of a smallest +ve number such that if we shuffle the digits of the number, the new number becomes double the original number?

There is a brick of gold and a brick of iron in a boat (both 10-inch blocks), if they are both dropped into the water which will make the water level higher?