Question

The mean of 8 numbers is 10. If each number is increased by 2, then the new
mean is
a) 6
b) 8
c) 10
d) 12​

Answer 1

Answer:

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

Answer 2

Answer:

12 is the answer of this question.

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