Find the largest number, which exactly divides every number of the form (n<sup>3</sup> - n) (n - 2) where n…

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

The number 142<sup>2</sup> - 1 is divisible by :

A number consists of two digits such that the digit in the ten's place is less by 2 than the digit in the unit place. Th…

There are 154 beads in a rosary and all are coloured, either RED or BLUE or GREEN. The number of blue ones is three less…

A number when divided by 729 given a remainder of 56. What will we get as remainder if the same number is divided by 27 …

The sum of even numbers between 1 and 31 is:

Find the square root of $$\frac{{\left( {0.064 - 0.008} \right)\left( {0.16 - 0.04} \right)}}{{\left( {0.016 + 0.08 + 0…