Question

The number 144 can be represented by 12x12 square grid which of the following can be also represented on a square grid??

A. 39 b.50 c.70 d.81

Answer 1

D. 81

Explanation:

81 can be represented by 9X9 square grid

9^2 = 81

Answer 2

d.81

Explanation:

81 can be represented by a 9x9 square grid. The rest of the numbers would be represented on rectangular grids.