The mean of 3 numbers is 10 the mean of other 4 numbers is 12 find the mean of all the numbers
Answers
Answered by
3
Mean of 3 number = 10.
Sum = (10*3) = 30.
Mean of other 4 numbers. = 12.
Sum = 48.
Now mean of 7 numbers =(30+48) /7
= 11.14.
Hope that it will help you.............
Sum = (10*3) = 30.
Mean of other 4 numbers. = 12.
Sum = 48.
Now mean of 7 numbers =(30+48) /7
= 11.14.
Hope that it will help you.............
Similar questions