Choose the factors of 72.
We note that,
72 = 1 × 72
72 = 2 × 36
72 = 3 × 24
72 = 4 × 18
72 = 8 × 9
72 = 12 × 6
Thus, all the factors of 84 are 1, 2, 3 , 4, 7 ,8 , 9, 12 ,18 , 24 , 36 and 72 out of which options containing 36 and 24 are correct.