what is the original price of pack of milk powder which Zahid has bought for taka 100, after receiving a discount of 20% ?
what is the original price of pack of milk powder which Zahid has bought for taka 100, after receiving a discount of 20% ? Correct Answer Tk. 125
Let the original price be A. Then, A - 20% of A = 100 or, A - A/5 = 100 or, 4A/5 = 100 or, A = 100×5 / 4 = 125 TK