10+10 and 11+11 can give you the same answer.

Explain how?

The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member.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

What is the coolest letter in the alphabet?

Can you find the least possible number such that

If the number is divided by 3, it gives the remainder of 1;
If the number is divided by 4, it gives the remainder of 2;
If the number is divided by 5, it gives the remainder of 3;
If the number is divided by 6, it gives the remainder of 4.

What is always in front of you but can’t be seen?

Cristina was born in 1888. She just had her 30th birthday today how did that happen?

I look at you, you look at me, I raise my right, you raise your left. What am I?

If all Goats are Sheep and all Sheep are Deers, are all Deers Goats ?

You have 10 balls with you. A friend of yours out of nowhere asks you to place those ten balls in five lines such that each of the lines has exactly 4 balls on them. He needs to check your intelligence. Prove him by doing the task.

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