Economy, asked by singhsuryansh996, 6 months ago

Arithmetic mean of the following series is 20.5
Marks 10 15 20 x 30 35
No. of Students 4 6 10 5 3 2
Find the missing item.

Answers

Answered by jaasinekkk

0

Answer:

थडजगछखूगतखमठमठतझगदगझगजडजरडरडरडडथडदढत्रढत्रयढथडझढझढडझढलृमृ

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