Question

# 10. What is the least number that should be multiplied to 1152 to get a perfect square numbers? (1) 6 (2) 4 (3) 3 (4) 2

Solution

10. (4) 1152
2 x 2 x 2 x 2 x 2 x 2 x 2 x 3x3
Clearly, to make 1152 a perfect square, it
should be multiplied by 2.