SSC CGL 6 Aug 2017 Shift 1 Paper

Question : 56 of 100

Marks: +1, -0

A batsman makes a score of 111 runs in the 10th match and thus increases his average runs per match by 5. What will be his average after the 10th match?

Validate

Solution:

Let the average of the batsman after 10th match = x
According to the question,

9 × ( x - 5 ) + 111= 10x

⇒

9 x - 4 5 + 111 = 10x

⇒

1 0 x - 9x = 66

∴

x= 66

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