Four distinct positive integers are written on a blackboard. The product of the smallest two of them is 16 and the product of the largest two is 225. What is the sum of all the integers?
a) 44 b) 42 c) 38 d) 58
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Step-by-step explanation:
LCM for 16 = 2×2×2×2
Dstinct numbers = 2×2×2 &2
= 8×2
LCM for 225 = 5×5×3×3
= 25×9
Four distinct integers are 2,8,9 & 25
Sum of 4 integers is 44
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