How many numbers less than 1000 are multiples of both 10 and 13 ?

The sum of four consecutive even numbers is 748, The smallest among them is -

Sum of three consecutive integers is 51. The middle one is -

When 'n' is divisible by 5 the remainder is 2. What is the remainder when n<sup>2</sup> is divided by 5 ?

If 381A is divisible by 9, find the value of the smallest natural number A?

Find the remainder when 54<sup>124</sup> is divided by 17.

A number which divided by 192 gives a remainder of 54. What remainder would be obtained on dividing the same number by 1…

The denominator of a fraction is 3 more than its numerator. If the numerator is increased by 7 and denominator is decrea…