The difference of a number consisting of two digits from the number formed by interchanging the digits is always divisib…

The rightmost non-zero digit of the number 30<sup>2720</sup> is

The remainder when (12<sup>13</sup> + 23<sup>13</sup>) is divided by 11.

The value of $$\left( {99\frac{{95}}{{99}}} \right) \times 99$$    is :

If (-1)<sup>n</sup> + (-1)<sup>4n</sup> = 0, then n is

Ram left $$\frac{1}{3}$$ of his property to his widow and $$\frac{3}{5}$$ of the remainder to his daughter. He gave the …

Find the remainder when 4<sup>96</sup> is divided by 6.

The unit digit in $${\left( {122} \right)^{173}}$$  is ?