Question:
If average score of A and B and B and C are equal to 40 and 48 respectively and average score of C and A is 44. Then find the average score of all three A, B and C.
A42
B43
C44
D45
Answer:
C. 44
Explanation:
Total score of A and B = 2 × 40 = 80 Total score of B and C = 2 × 48 = 96 Total score of C and A = 2 × 44 = 88 ⇒ 2(A + B + C) = 80 + 96 + 88 ⇒ A + B + C = 132 average of A, B and C = 132/3 = 44