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The average of runs of a cricket player of 20 innings was 32. How many runs must he make in his next innings so as to increase his average of runs by 4?
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- 116
- 114
- 170
- 76
- 116
Correct Option: A
Total runs scored by the cricketer in 20 innings = 32 × 20 = 640
If the runs scored in 21st innings be n , then
According to question ,
⇒ 640 + n = 21 × 36
⇒ 640 + n = 756
⇒ n = 756 – 640 = 116