In a group of people solicited by a charity, 30% contributed TK. 40 each. 45% contributed Tk. 20 each and the rest contributed Tk. What percentage of the total contribution came from people who gave Tk. 40?
Solution
Correct Answer: Option E
Suppose,
Number of people=100 total taka =(30x40)=1200 tk 45% gave 20 tk so, amount=45x20=900 tk rest=25 rest of them give 12 tk so totl mount=25x12=300 tk total tk=(1200+900+300)=2400 tk :. 1200/2400 = ½ 50% so, people who given 40 tk contributed 50%
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