What is the coolest letter in the alphabet?

The sum of a mother, her baby and her dog's weight is 170 Kg. How much does the baby weigh if the mother weighs 100 kg more than the combined weight of the baby and the dog, and the dog weighs 60 per cent less than the baby?

Can you write down eight eights so that they add up to one thousand?

"That Restaurant always remains crowded. This is the reason why nobody goes there".

Can you find a flaw in this statement?

By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

How high do you have to count before you use the letter “a” in the English spelling of the whole number?

What occurs twice in a week, once in a year but never in a day?

If there are fifteen crows on a fence and the farmer shoots a third of them, how many crows are left?

John has eleven friends. He has a bowl containing eleven apples. Now He wants to divide the eleven apples among his friends, in such a way that an apple should remain in his bowl.
How can He do it?

Sherlock Holmes was challenged to make a pre-drawn line smaller without erasing it. He did it in fractions of seconds. How?