How many natural numbers lie between square of 9 and square of 10?
Answer & explanation
Correct answer: option 2
The number of natural numbers between n2 and (n+1)2 is equal to 2n.
Here, n = 9
Therefore, 2n = 2 x 9 = 18
How many natural numbers lie between square of 9 and square of 10?
Correct answer: option 2
The number of natural numbers between n2 and (n+1)2 is equal to 2n.
Here, n = 9
Therefore, 2n = 2 x 9 = 18