The product of three integers X, Y and Z is 192. Z is equal to 4 and P is equal to the average of X and Y. What is the minimum possible value of P?

Q. The product of three integers X, Y and Z is 192. Z is equal to 4 and P is equal to the average of X and Y. What is the minimum possible value of P?
(A) 6(B) 7(C) 8(D) 9.5
Ans: 7

Sol:

Given product of three integers, X.Y.Z = 192
Given: Z = 4

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