Can you find the missing number in the third row?
35 20 14
27 12 18
5 2 ?

You need to arrange three 7 and mathematical symbols to form number 1?

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

Arrange the numbers 1, 2, 3, 4, 5, 6, 7, 8 and 9 above and below the division line in a manner that the thus formed fractions equal to 1/3.

(You can use one number only once)

A four-digit number (not beginning with 0) can be represented by ABCD. There is one number such that ABCD=A^B*C^D, where A^B means A raised to the B power. Can you find it?

A number can be multiplied by multiple of nine
i.e 9 18 27 36 45 ...

and the resulting number consist of only one digit.

Can you identify the number ?

Quickly Solve this riddle

7 - 4 + 3 * 0 + 1 = ?

How can I get the answer 24 by only using the numbers 8,8,3,3?

You can use the main signs add, subtract multiply and divide.

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

Replace the 'X' with any mathematical symbol to make the expression equal to 111.

18 X 12 X 2 X 3 = 111