The general form of abc is

If a number is divisible 9, then it is divisible by

Which number is divisible by 10?

Which of the following is a prime number?

The HCF of two consecutive natural numbers is

The general form of 128 is

The reverse of the number 856 is

What is the smallest 4-digit number?

Which of the following number is a multiple of 6?

What is the result of multiplying the largest single-digit number by 3?