A batsman makes a score of 87 runs in the 17th inning and thus increases his average by 3. Find his average after 17th inning.:
a) 40
b) 39
c) 52
d) 55
Answer: b
Explanation: Let the average after 17th innings = x
Then average after 16th innings = (x – 3)
16 × (x – 3) + 87 = 17x
x = 39
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