The average of X, Y and Z is 52. The average of X and Y is 48. The average of Y and Z is 60. What is the value of Y?
Answer & explanation
Correct answer: option 3
Sum of X , Y & Z = 3 × 52 = 156
Sum of X & Y = 2 × 48 = 96
Sum of y & Z = 2 × 60 = 120
Value of Y = ( 120 + 96 ) - 156 = 60