Math, asked by sakeefnazir, 1 month ago

The mean of three numbers is 10. The mean of four other numbers is 12. Find the mean of all the
numbers.

Answers

Answered by neha5390

1

Answer:

Sum of 3 numbers = 3*10=30

Sum of 4 numbers = 4*12=48

Total sum = 30+48=78

Mean of all numbers = 3+4=7 numbers

78/7= 11.14

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