The least number divisible by $15, 20, 24, 32$ and $36$ is

The smallest number which when diminished by $3$ is divisible by $11, 28, 36$ and $45$, is

Three numbers are in the ratio $1:2:3$ and their $\mathrm{HCF}$is $6$, the numbers are

The ratio of two numbers is $3:4$ and their $\mathrm{HCF}$ is $4$. Their $\mathrm{LCM}$ is

Which of the following numbers is prime?

Which of the following numbers are twin primes?

The smallest digit that can be written in the blank space of the number _____$6724$ so that the number formed is divisible by $3$?

Which of the following numbers is divisible by $6$?

Which of the following numbers is divisible by $11$?