Question

Q3. Mean of 1st 5 numbers is 12 and mean of next 7 numbers is 8 find the mean of 12
numbers.

Answer 1

Answer:

First 5 no.s mean is 12

Next 7 no.s mean is 8

so, we need to find all 12 no.s mean .

So,12+8=20

Step-by-step explanation:

Hope it is clear and helps you

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