Question 134

If bananas are bought at the rate of 4 for a rupee, how many must be sold for a rupee so as to gain $$33\frac{1}{3}$$%

Solution

Cost price of 1 banana = Rs. $$\frac{1}{4}$$

Profit % = $$33\frac{1}{3}=\frac{100}{3}\%$$

=> Selling price = $$\frac{1}{4}+(\frac{100}{3\times100}\times\frac{1}{4})$$

= $$\frac{1}{4}+\frac{1}{12}=Rs.$$ $$\frac{1}{3}$$

$$\therefore$$ Number of bananas that must be sold for a rupee = $$\frac{1}{\frac{1}{3}}=3$$

=> Ans - (A)

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