Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

The person who makes it has no need for it; the person who buys it has no use for it. The person who uses it can neither see nor feel it. What is it?

I am the fastest animal but cannot climb the tree. What am I?

What word is pronounced the same if you take away four of its five letters?

The product of three consecutive numbers is 7980.
Then the sum of these consecutive numbers would be?

There was a blind man. He had four socks in his drawer either black or white. He opened it and took out two socks. Now the probability that it was a pair of white socks is 1/2.

Can you find out the probability that he had taken out a pair of black socks ?

A maths symbol is hidden in the below Bar Graph. Can you decipher it?

How much will a 38° angle measure when looked at under a microscope that magnifies ten times?

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?