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?

56 48 60 54

60

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