Question

how many non square natural number are there between 11² and 13²​

Answer 1

11² = 121 , and 13² = 169

122,123,124,125,126,127,128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,145,146,147,148,149,150,151,152,153,154,155,156,157,158,159,160,161,162,163,164,165,166,167,168

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