A cricketer has a certain average for 10 innings. In the eleventh inning, he scored 108 runs, there by increasing his average by 6 runs. His new average is:
Options:
A .  48 runs
B .  52 runs
C .  55 runs
D .  60 runs
Answer: Option A
Let average for 10 innings be x. Then,(10x + 108)/11 = x + 6 = 11x + 66 = 10x + 108= x = 42.New average = (x + 6) = 48 runs.
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