The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member.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

There once were seven dwarfs who were all brothers. They were all born two years apart. The youngest dwarf is seven years old. How old is his oldest brother?

What always comes into a house through the keyhole?

Replace the question mark with the correct number.

What will be the best approach to finding all the prime numbers less than 75 that leave an odd reminder when we divide them with 5?

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

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

John went to buy some expensive, foreign chocolates. He only had Rs 100 with him. When he reached the shop, he got out and know that on those chocolates, there was a 15% import duty and 5% VAT.

How much worth chocolate should he buy so that he can accommodate it in Rs 100?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?