The Total solution for NCERT class 6-12
(i)We know that numbers between n2 and (n + 1)2 = 2nNumbers between 122 and 132 = (2n) = 2 × 12 =24(ii) Numbers between 252 and 262 = 2 × 25 = 50 (∵ n = 25)(iii) Numbers between 992 and 1002 = 2 × 99 = 198 (∵ n = 99)