Entry Test MCQ :: Average

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There were 40 members in a certain hostel. If 10 members are more admitted the expenses of the mess was increased by Rs. 50 per month while the average expenditure per head diminished by Rs.3. The original monthly expenses are:

[A].	Rs. 620	[B].	Rs.800
[C].	Rs. 700	[D].	Rs. 850

Answer: Option B

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