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21. The average of 5 numbers is 15, if 5 is addedto each number, then what is new average ?(a) 10(b) 12(c) 15(d) 2022. The average of n numbers is x, if 36 is subtractedfrom each two numbers, then new averagebecomes (x - 8). The value of n is :(a) 6.(b) 8(c) 9(d) 72 |
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Answer» answer is 20 Step-by-step explanation: 5×5 = 25 75 +25 = 100 100 ÷ 5 = 20 |
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