The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member.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

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

I add 5 to 9 and get 2. The answer is correct, so what am I?

Jessica is telling her friends this story and asks them to guess if it’s the truth or a lie: “There was a man sitting in a house at night that had no lights on at all. There was no lamp, no candle, and no other source of light. Yet, he sat in the house and read his book happily.” Her friends say she’s lying, but Jessica corrects them and says she’s telling the truth. Jessica’s story is true—but how?

How many times in a given day, minutes and hour clock comes in a straight line ?

How is a fly different from a mosquito?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

By moving exactly three matchsticks can you make the below equation true.It can be solved by 3 ways.

What comes
Once in a Year
Twice in a Month
4 times in a Week
6 times in a Day