A number x when divided by 289 leave 18 as the remainder. The same number when divided by 17 leaves y as a remainder. th…

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

Five times of a positive integer is 3 less than twice the square of that number. The number is -

If n is a whole number greater then 1, then n<sup>2</sup> (n<sup>2</sup> - 1) is always divisi…

Largest fraction among $$\frac{2}{5},$$ $$\frac{5}{6},$$ $$\frac{{11}}{{15}}$$ and $$\frac{7}{8}$$ is :

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

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

Sunny gets $$\frac{7}{9}$$ times as many marks in QA as in ENGLISH. If his total combined marks in both the papers is 90…