Answers

2016-03-14T17:24:01+05:30
42 if each is multiplied by 2,mean is also multiplied by 2
0
2016-03-14T17:29:42+05:30
Since all the numbers are multiplied by 2 we take 2 out as common and therefore the mean should also be multiplied by 2 Resultant Mean = 21 *2= 42
0