The sum of squares of three positive integers is 323. If the sum of squares of two numbers is twice the third, their pro…

A and B have together three times what B and C have, while A, B, C together have thirty rupees more than that of A. If B…

The largest 4 digit number exactly divisible by 88 is:

The number which can be written in the form of n (n + 1) (n + 2), where n is a natural number, is :

$$\frac{1}{5}$$ of a number exceeds $$\frac{1}{7}$$ of the same number by 10. The number is -

Find the remainder when<br /> 10 + 10<sup>2</sup> + 10<sup>3</sup> + 10<sup>4</su…

The last digit of the number obtained by multiplying the numbers 81 × 82 × 83 × 84 × 86 × …

The sum of two numbers is 684 and their HCF is 57. Find all possible pairs of such numbers.