What does this rebus means ?

PROG WORKRESS

What makes this number unique: 8,549,176,320?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

What is the next shape from answers A, B, C, and D figure?

In the attached figure, you can see a chessboard and two rooks placed on the chess board. What you have to find is the number of squares that do not contain the rooks. How many are there?

Who is that with a neck and no head, two arms and no hands? What is it?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

Can you find out the missing number?

? 4 5 3 5

9 5 7 10 3

There are forty elephants and they have forty-fore heads. How can this be possible?

Why do we preferably have round manhole covers and not square ones?