A school has raised 75% of the amount it needs for a new building by receiving an average donation of Tk 60 from the people already solicited. The people already solicited represent 60% of the people the college will ask for donations. If the college is to raise exactly the amount needed for the new building, how much must the remaining people donate per person?
Solution
Correct Answer: Option B
suppose, total people 100 60% means, 60 people gve 60 tk, then total= 60x60=3600 tk people remain= 40 money remin=3600x100/75=4800-3600=1200 tk so remaining per people donate =1200/40=30 tk
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