If $32x$ is divisible by $9$, the value of $x$ is

The unit digit of $3^{82}$ is

The total number of factors of $40$ is

${10}^{15}+{12}^{15}$ is divisible by

According to the fundamental theorem of arithmetic, each number can be expressed as product of

If the sum of two numbers is $15$ and their HCF is $5,$ the numbers can be

 The expression ${14}^n-6^n$ is always divisible by

 If HCF of $\left(p, q\right)=1$, then $p \& q$ are

If the LCM of $\left(p, q\right)=p\times q$, then their HCF is