Find the HCF of (3<sup>125</sup>-1) and (3<sup>35</sup>-1).

Find the remainder when 67<sup>99</sup> is divided by 7.

The sum of all three digit numbers, each of which on divide by 5 leaves remainder 3, is -

The highest power of 17 which can divide exactly the following:<br /> (18<sup>2</sup> - 1) (18<sup&…

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

The difference of the squares of two consecutive even integers is divisible by which of the following integers ?

5358 × 51 = ?

The remainder , when (15<sup>23</sup> + 23<sup>23</sup>) is divided by 19, is