It is: 16 squared = 256
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144/169
No. (122 = 144) and (132 = 169)
Take your pick from: 121, 144, 169 and 196
Answer: 144, 169, 225 Explanation: 72=49, 92=81, similarly 102=100, 122=144
169 = 144 + 25, so your numbers are 12 & 5.