Question

The mean of 5 numbers is 15.If each number is multiplied by 2, what will be the new mean?

Answer 1

Step-by-step explanation:

Mean weight is 8 member is 15

let x/8= 15

x= 120

if each no. multied by 2 then total weight will be 2x = 240

so new mean 2x/8= 2*15 = 30

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