Sachin Tendulkar has a certain average for 11 innings. In the 12th innings he scores 120 runs and thereby increases his average by 5 runs. His new average is
Options:
A .  62
B .  66
C .  60
D .  65
Answer: Option D Answer: (d) Sachin’s new average = x runs Total runs in 11 innings = 11 (x – 5) ∴ 11 (x – 5) + 120 = 12x∴ 12x – 11x = 65 ∴ x = 65 runs
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