Math, asked by kapoorprem7075, 11 months ago

If the mean of first y natural numbers is 28,then find y. your options are a)28 B)27 C)56 D)55

Answers

Answered by ofenmeistro
1

Answer:

Mean of first y natural numbers= (y+1)/2

Hence, y = 2*(mean) - 1 = 2*28 - 1= 55

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