Correct Answer - Option 2 : 7
The product of three integers X, Y and Z is 192.
X.Y.Z = 192
Z is equal to 4.
⇒ X.Y.(4) = 192 ⇒ X.Y = 48
Possibilities are: (1,48), (2,24), (3,16), (4,12), (6,8)
P is equal to the average of X and Y.
P = (X + Y)/2
Pmin = (X + Y)min/2 = (6 + 8)/2 = 7