• # question_answer A general arranges his soldiers in rows to form a perfect square. He finds that in doing so, 60 soldiers are left out, when the total number of soldiers is 8160. What is the number of soldiers in each row? A)  100                             B)  90C)  80                               D)  70

(b): 60 Soldiers left $\Rightarrow$ perfect square $=8160-60=8100.$