If x : y be the ratio of two whole numbers and z be their HCF, then the LCM of those two numbers is:

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

The decimal fraction $$2.3\overline {49} $$   is equal to :

Which among $${2^{\frac{1}{2}}}$$, $${3^{\frac{1}{3}}}$$, $${4^{\frac{1}{4}}}$$, $${6^{\frac{1}{6}}}$$ and $${12^{\frac{…

The digit in unit's place of the product -<br> $${\left( {2464} \right)^{1793}}$$   $$ \times {\left( {61…

The value of : $$\frac{{3.157 \times 4126 \times 3.198}}{{63.972 \times 2835.121}}$$

In a certain series, each number except the first and second is obtained by adding the previous two numbers. If the firs…

A rational number between $${\text{ }}\frac{3}{4}$$ and $${\text{ }}\frac{3}{8}$$ is :