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

18 X 12 X 2 X 3 = 111

If "P" means "-", "Q" means "/", "R" means "+", and "S" means "*" then find the value of the following:

21 Q 7 R 9 S 10 P 13

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

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

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

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)

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

Find the mistake in the below maths equations

A = 2
A(A-1) = 2(A-1)
A2-A = 2A-2
A2-2A = A-2
A(A-2) = A-2
A = 1

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

John replied, when asked how old he was. In 2 years he will be twice as old as he was five years ago.' How old is he ?