They are all perfect squares
64, 81, 100, 121, 144, 169, 196.
They are: 121 144 169 and 196
100 , 121 , 144, 169 , 196 and 225
Four answers are 121 144 169 196.
325
64, 81, 100, 121, 144, 169, 196.
The first five square numbers greater than 100 are 121, 144, 169, 196, and 225.
The are: 121 144 169 and 196
They are: 121 144 169 and 196
121, 144, 169, and 196.
300
100 , 121 , 144, 169 , 196 and 225
Four answers are 121 144 169 196.
325
They are: 121, 144, 169 and 196 which makes four of them
121, 144, 169, and 196 are the smallest numbers that fit that description.
11*11=121, 12*12=144, 13*13=169, 14*14=196 so 15*15=225, answer: 225