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

$${\text{999}}\frac{{998}}{{999}} \times 999$$   is equal to :

$$\,{2^{16}} - 1$$   is divisible by -

1397 x 1397 = ?

64329 is divided by a certain number, 175, 114 and 213 appears as three successive remainders. The divisor is -

LCM of two numbers is 936. If their HCF is 4 and one of the numbers is 72, the other is

A positive integer when divided by 425 gives a remainder 45. When the same number is divided by 17, the remainder will b…

If 17<sup>200</sup> is divided by 18, the remainder is -