M7MBA wrote:How many of the positive divisors of 120 are also multiples of 4 not including 120?
A. 3.
B. 4.
C. 5.
D. 7.
E. 8.
120 = 4*30 = 4 *
(2*3*5).
To form a multiple of 4 that divides evenly into 120 but is not equal to 120, we must combine 4 with up to two of the factors in blue:
4
4*2
4*3
4*5
4*2*3
4*2*5
4*3*5
Total options = 7.
The correct answer is
D.
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