Math, asked by dev4444477777, 1 year ago

the mean of 10 no. is 7 and the mean of 15 other no. is 12 . find the mean of these 25 no. taken together

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Answered by MissMishthiArora

1

I hope it helps u☺☺☺

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Answered by veenagupta160546

0

Answer:

Step-by-step explanation:the mean of 10 nos. is 7 the diff is 3

The mean of 15 nos. Is 12 the diff is 3

So mean of 25 nos would be 22so the diff is 3 to make the question appropriate..

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