Question

1.The mean of 12 numbers is 24 if 5 is added in every number the new mean is a) 25 b) 84 c) 29 d) none of these​

Answer 1

Answer:

May the answer be option . 84 (b)

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Answer 2

29 (c)

mean = 24

total = 24 x 12

= 288

now, 5 added to each number , in the sense

total + 5(12)

=288 +60

=348

new mean = 348/ 12

=29

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