The total number of non-square natural numbers between 162 and 172 is
34
32
16
17
The number of non-square natural numbers between n2 and (n+1)2 = 2n
∴ Between 162 and 172 number of non-square numbers =2×16=32
The total number of non-square natural numbers between 162 and 172 =a×b=c. What is the value of a, b and c respectively?