Question

plz plz solve it but correctly with suitable formula​

Answer 1

2. (I) There are 2n non square nos b/w n and n+1. Therefore the ans would be 2 x 100 = 200 non square numbers b/w 100 square and 101 square

(II) The number of Numbers between n+1)^2 and n^2 are = (n+1)^2 - n^2 -1

= 2 n

So answer is 2* 90= 180

(II) see attachment for answer