How many natural numbers lie between 92 and 102?
9
18
27
36
We know that the there are a total of 2n numbers between n2 and (n+1)2. Here, n = 9, so there are 2n = 18 natural numbers between 92 and 102.
How many natural numbers lie between 22 and 32?
How many natural numbers are there in between 92 and 112?
How many natural numbers lie between 9 and 15?