Replace the (?) with the correct mathematical signs to make the expression equal to 59.

18 ? 12 ? 4 ? 5 = 59

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

Find three numbers such that When we multiply three numbers, we will get the prime numbers. The difference between the second and the first number is equal to the third and second.

What number divided by 4 is the same as that number minus 4?

On one occasion, A Boy collects 71 rupees in form of 20 paise and 25 paise. He collects a total of 324 coins.

Can you tell me how many 20-paisa and 25-paisa he got?

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I

In the image below, can you find the value of an angle(y)

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

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)

There is a square of a particular number which when doubled, becomes 7 more than its quarter.

Can you find the number?