Question 28
If the selling price of bananas falls by 20%, we get 5 more bananas for Rs. 10. What was the previous price of one banana ?
Solution
Let the price of bananas be x Rs/ banana.
If the price falls by 20%, cost of banana = .8x
Number of bananas for Rs. 10 = 10/.8x
But 10/.8x- 10/x = 5
So, x = .5
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