There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

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

In front of you, there are 9 coins. They all look absolutely identical, but one of the coins is fake. However, you know that the fake coin is lighter than the rest, and in front of you is a balance scale. What is the least number of weightings you can use to find the counterfeit coin?

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

What can you deduce from the following BrainBat?

CRY
LMKI

You can see it everyday, But cannot touch it at will. What is it?

Divide 110 into two parts so that one will be 150 per cent of the other. What are the 2 numbers?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?

Solve below popular number sequence
314 159 265 358 979 323 846 ?

What type of tree can I carry in my hand?