18 × √225 + 378 ÷ √441 = ? ×

18 is divided into three parts which are in arithmetic progression (A.P.) in such a way that the sum of their square is 158. Find the square of the sum

If 45780x52 is divisible by 72, then find the sum of all possible values of 'x'.

Find the largest 4-digit number that is exactly divisible by 27 and 45.

The greatest number that will divide 398, 437 and 5425 leaving 7, 12 and 2 as remainders, respectively, is:

which of the following pairs of non-zeroes values of p and q make the 6-digit number 674pq0 divisible by both 3 and 11?

Find the largest 4-digit number divisible by 88.

Which of the following numbers will completely divide 4¹² + 4¹³+ 4¹⁴ + 4¹⁵ + 4¹⁶?

What is the number of divisors of 480?

A number gives a remainder of 27 when divided by 36. What will be the remainder when the same number is divided by 12?

An eight-digit number, 81x3y72 is divisible by 72. Find the maximum possible value of x + y.