How many non- square numbers lying between 16 and 25 - Maths - Squares and Square Roots

Question

How many non- square numbers lying between 16 and 25

Rajan Bhateja · Accepted Answer

Solution :

We know that :42 = 16 and 52 = 25Let n = 4, then n+1 = 5Now, we know that there are 2n non-square numbers between n2 and n+12
So, there will be 2 × 4 = 8 non square numbers between 42 and 52

. How many non- square numbers lying between 16 and 25.