What English word has three consecutive double letters?

In a chess board, the queen piece can move horizontally, vertically and diagonally freely. The picture represents the same.Can you place 8 queens on the board in a manner that none of the queens can attack each other?

You are given four tennis balls and asked to arrange those balls in a manner that the distance between each one of them is exactly equal. How will you do it?

What does it mean?

Which tank will fill first?

A man dies of old age on his 25 birthday. How is this possible?

Find the next number in the sequence

1, 2, 6, 21, 88, __?

A man dies of old age on his 25 birthday. How is this possible?

Two friends were betting. One said to the other, "The coin will be flipped twenty times and each time the coin lands on the head, I will give you $2 and each time it lands on the tale, you will give me $3." After flipping the coin twenty times not a single penny was exchanged among them.

How many times did the coin land on heads?

Can you solve the below geography rebus by decoding the below rebus ?