Q: The average of eleven numbers is 56. The average of first three numbers is 52 and that of next five numbers is 60. The 9th and 10th numbers are 3 and 1 more than the 11th number respectively. What is the average of 9th and 11th numbers ?
A.
53.5
B.
54
C.
52.5
D.
52
Correct Answer:
Option A -
Explanations:
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