40 children of class vi donated 50 rupees on average to the mutual aid fund 30 children of
class V donated 800 repees in all. If we consider both classes together, how much did each donate on average ?
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Answer:
it is a tough question ask it from your class teacher
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Answer:
\frac{total}{no.} = average
no.
total
=average
let total donated be X
then,
X/40 = 50
(X = 2000 Rupees.)
30 children of class 5 donated 800 Rupees.
Now,
average = \frac{total}{no.}average=
no.
total
Total rupees = 2000+800 = 2800
Total no. of children = 40+30 = 70
Average =>
2800/70
(40) Rupees.
Each student donated 40 rupees on an average.
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