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?
Options:
A .  114
B .  76
C .  116
D .  170
Answer: Option C Answer: (c)Total runs scored by the cricketer in 20 innings = 32 × 20 = 640 If the runs scored in 21st innings be x, then 640 + x = 21 × 36 ⇒ 640 + x = 756 ⇒ x = 756 – 640 = 116
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