Quantitative Aptitude Ques 1273

Question: A batsman has a certain average of runs for 14th innings. He scores 72 runs in the 15 innings thus his average increased by 2. Find the average after 15th innings.

Options:

A) 44

B) 46

C) 42

D) 48

Show Answer

Answer:

Correct Answer: A

Solution:

  • Let the average of 14 innings $ =x $ Average of 15 innings $ =x+2 $ Then, $ 14x+72=15(x+2) $

$ \Rightarrow $ $ 14x+72=15x+30 $
$ \Rightarrow $ $ x=42 $ Average of 15 innings $ =x+2=42+2=44 $

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