The average runs scored by a batsman in his first 10 innings is 39.4. If his average for the 6 matches is 42, then find the average for the last 4 matches.

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35.5

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35.75

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None of the above

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Solution

The correct option is C 35.5
Total runs scored by the batsman in the first 10 innings $= 10 \times 39.4 = 394$
Total runs scored by the batsman in his last 4 innings $= 394 - (6 \times 42) = 142$
Average for the last 4 innings $= \frac{142}{4} = 35.5$

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The average runs scored by a batsman in his first 10 innings is 39.4. If his average for the 6 matches is 42, then find the average for the last 4 matches.

The correct option is C 35.5Total runs scored by the batsman in the first 10 innings =10×39.4=394 Total runs scored by the batsman in his last 4 innings =394−(6×42)=142 Average for the last 4 innings =1424=35.5

The correct option is C 35.5
Total runs scored by the batsman in the first 10 innings $= 10 \times 39.4 = 394$
Total runs scored by the batsman in his last 4 innings $= 394 - (6 \times 42) = 142$
Average for the last 4 innings $= \frac{142}{4} = 35.5$