CBSE Class 10 Answered
plzz answer .....
Asked by kirtichawla94 | 18 Feb, 2010, 04:52: PM
Expert Answer
let the original number of students be x.
so the expenditure per person will be 240/x
if the number of students reduces to x-4
then
the expenditure per person will be 240/(x-4)
of course in this case the expenditure per head is more than before.
so ATQ,
[240/(x-4)]-[240/x]=5
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since the number of students can't be -ve
so
x=16
Answered by | 18 Feb, 2010, 05:03: PM
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