The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member.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's the only room from which no one can enter or leave

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.

I throw two dice simultaneously.

What is the probability of getting a sum as 9 of the two numbers shown?

Twice ten are six of us,

Six are but three of us,

Nine are but four of us;

What can we possibly be?

Would you know more of us?

Twelve are but six of us,

Five are but four, do you see?

What are we?

What does Alexander the Great and Winnie the Pooh have in common?

If 21x = 79x, what is the value of x?

Can it be possible to build a house that has all its four walls facing towards the South?

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?

You need to pick one entry from pot A and one from pot B to have a perfect match. Can you do it?