Can you find out the missing number in the grid?

If you say my name, I will no longer exist. What am I?

The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member. Find how much younger is the new member ?

Okay before we begin with the puzzle, do keep in mind that you have to answer it quickly.

You are participating in a car race. Seeking the perfect moment, you overtake the second person in the race. What positions are you in now?

Which is faster, Heat or Cold ? Explain.

Find the missing number in the sequence below:

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

A Child was born in Lahore, Pakistan. Still, the child is not a Pakistani citizen. why?

There is a square piece of paper with a hole that is denoted by the circle on the top right side in the given picture. You have to cut the paper in a manner that it forms two and only two separate pieces of paper and then rearrange the pieces in a manner that the holes come in the centre of the paper.

Which is the smallest number that you can write using all the vowels exactly once?