The number $3 \times 15 \times 11 + 11$ is a . . . . . . number.

Prove that $5 - \sqrt{3}$ is an irrational number.

For two positive integers $a$ and $b$,if $\text{HCF}(a, b) = 7$ and $\text{LCM}(a, b) = 385$,then the product $a \times b$ is:

The product of two consecutive positive integers is always divisible by which of the following?

What is the remainder when $27$ is divided by $4$?

The graph of the polynomial $p(x) = ax - b$,where $a \neq 0$ and $a, b \in R$,intersects the $X$-axis at which unique point?