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Here are 5 numbers- 2 5 7 8 9one of the cards is removed and the mean average of the 4 remaining numbers is 6which card was removed? |
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Answer» Step-by-step explanation: The sum of 5 no. = 2+3+7+8+9 = 29 The average of 4 no. is = 6 (Given) so, Sum of 4 no. = 6×4 = 24 Then, The 5th no be. = ( Sum of 5 no.s - Sum of 4 no.s ) = 29 - 24 = 5 ans. Hope it will help you |
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