Which three-digit number, made of consecutive digits, like 567, is 2 less than a cube and 2 more than a square?

I am written with two letters.
I said with the one.
I usually am seen with the two.

Who am I?

What number do you get when you multiply all of the numbers on a telephone's number pad?

How many sides does a circle have?

Can you find out the missing number in the grid?

Can you move 2 matchsticks to form four equal sized squares.

Find the combined weight of the Cat, Dog and Rabbit in the given picture.

The barber of Town shaves all men living in the town. No man living in the town is allowed to shave himself. The barber lives in that town. Who then shaves the barber of the town?

I have 50 feet long of cloth, I need to create 50 handkerchiefs each size of 1 foot. I take one minute to cut a 1-foot handkerchief. So how long will it take to cut 50 handkerchiefs?

See the given image carefully. What you have to do is move the blue checkers in the position of the black checkers and vice versa. You are only allowed to move the checker to an adjacent empty space. Do it in the least possible moves.