a trader buys 78 kg of wheat for Rs492 he sells 40% of this at a loss of 20% what should be the percentage mark up on the remaining so as an overall 25% ?
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Answer:
39.36%
Step-by-step explanation:
78 kg wheat cost = ₹492
1 kg wheat cost = 492÷78 = 6.3
40% of 78 kg = 31.2 kg
31.2 kg cost = 6.3 × 31.2 = 196.8
31.2 kg cost with 20% loss = ₹157.44
x% should be added to get 25% profit
x% + 157.44 = 196.8
x% = 196.8 - 157.44
x% = 39.36
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