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Question
Babita bought 160 kg of mangoes at Rs 48 per kg. She sold 70% of the mangoes at Rs 70 per kg and the remaining mangoes at Rs 40 per kg. Find Babita’s gain or loss per cent on the whole dealing.
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Solution
Given that, Babita bought 160 kg of mangoes at Rs. 48 per kg.
And sold 70% of mangoes at Rs. 70 per kg.
And the remaining mangoes at Rs. 40 per kg.
⇒ Total amount she paid (cost pice) = 48 × 160
= Rs. 7680
And Cost of 70% mangoes she sold = `160 xx 70/100 xx 70`
= Rs. 7840
⇒ The remaining % of mangoes = (100 – 70)% = 30%
⇒ Cost of remaining mangoes = `160 xx 30/100 xx 40`
= Rs. 1920
∴ The total amount she got by selling (selling price) = 7840 + 1920
= Rs. 9760
Now, ∵ Selling price (S.P) > Cost price (C.P) ⇒ Gain
And Gain = S.P – C.P
= 9760 – 7680
= Rs. 2080
⇒ Gain % = `"Gain"/"C.P." xx 100`
⇒ Gain % = `2080/7680 xx 100`
⇒ Gain % = 27.08%
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