Question

I have 12 ones, and I am between 20 and 30. Who am I ?

Answer 1

Factorize the number 24.

24 = 2 × 12

Note that 12 is one of the factors of 24.

Hence, 24 is the number that lies between 20 and 30 and has 12 ones, as one of its factors.

Answer 2

It is 24

Explanation:

Here we need to find the a number between 20 and 30. The number must have 12 as a factor.

Write the numbers between 20 and 30.

21, 22, 23, 24, 25,26,27,28,29

In these numbers, only 24 has a factor of 12.

24 = 2 times 12

Therefore, the correct number is 24.