What was the original price of a pen (in Taka) if it is bought for Tk. 100 at 20% discount
Solution
Correct Answer: Option C
at 20% discount, buying price is 80 when original price is 100 " " " 1 " " " " 100/80 " " " 100 " '' " " 100 X 100/80 =125 tk
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