I am an odd number. Take away a letter and I become even. What number am I?

Can you think of any three-dimensional shape that comprises of exactly two surfaces?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

You have three orange, two pink and five purple balls in the drawer beside your bed. There is no electricity and the room is entirely dark. How many balls must you take out to ensure at least one ball of each colour at least?

Find the next number in the sequence

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

Which of the below owl is odd one out?

A and B have a certain number of chocolates with them. If B gives one chocolate to A, they will have an equal number of chocolates. But if A gives one chocolate to B, then A will be left with half the number of chocolates that B has.

Can you find out the number of chocolates they have right now?

You are playing as white and given four rooks to checkmate the black king in four moves with the following rules 1. You can place one rook every move and ensure the black king should be in check position.2. After four moves the black king should be in the checkmate position.

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

My sock drawer has 26 blue socks, 13 pink socks, 33 green socks, and 12 red socks, how many socks would I have to pull out in the dark to be sure I had a matching pair?