Question

10. The mean of six numbers is 10. After adding one more number, the mean still remains 10. What is the number
added?
(Hint: Since the mean of six numbers is 10, the sum of the six numbers is 60.
Since the mean of seven numbers is 10, the sum of the seven numbers is 70.
So, the number added is 10.}​

Answer 1

Answer:

Step-by-step explanation:

10*6= 60

after next number added

it will become

7 people

hence number become 10 as it must be 70/10=10

so new number is 10

hope it helps :D

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