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A vendor sells mangoes at Rs 40 per kg, ...

A vendor sells mangoes at Rs 40 per kg, At the end of the day he found that he sold 30 kg of mangoes ata profit of Rs 200. Calculate the cost price of the mangoes per kg and his profit percent for 30 kg mangoes. At what price per kg should he have sold if he wanted a profit of `35%`?

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The correct Answer is:
Rs `33(1)/(3)`per kg, `20%`, Rs 45 per kg
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