Consider four digit numbers for which the first two digits are equal and the last two digits are also equal. How many su…

Find the number of divisors of 1420.

The divisor is 25 times of the quotient and 5 times the remainder. If the quotient is 16, the dividend is-

The number of employees in Examveda and Co. is a prime number and less than 300. The ratio of the number of employees wh…

$$1 + \frac{1}{2} + \frac{1}{4} + \frac{1}{7} + \frac{1}{{14}} + \frac{1}{{28}}$$     is equal to :

The smallest number, which should be added to 756896, so as to obtain a multiple of 11, is :

The remainder when 4<sup>0</sup> + 4<sup>1</sup> + 4<sup>2</sup> + 4<sup>3<…

The smallest number of four digits which on division by 4, 6, 10 and 15 leaves a remainder 2 in each case is: