The difference between 777 and the nearest perfect square number is
4
7
27
27
B.
7
282 = 784 > 777
∴ Required difference = 784 - 777 = 7
The smallest number to be subtracted from 4750 so as to get a perfect square number is
126
162
216
216
A General of Army wants to form a square from 36562 armies. After arrangement, he found some armies left. How many armies were left?
81
36
97
97