The last digit of $10^{n}$ for any integer $n \geq 1$ is ............

Two brands of chocolates are available in packs of $24$ and $15$ respectively. If one needs to buy an equal number of chocolates of both kinds,what is the least number of boxes of each kind would one need to buy?

Prove that the cube of any positive integer is of the form $9m$,$9m+1$,or $9m+8$,where $m$ is an integer.

The product of two conjugate binomial surds is ...........

Prove that $6^{n}$ cannot end with the digit $0$ for any natural number $n \in N$.

The decimal expansion of the rational number $\frac{14587}{1250}$ will terminate after