Question

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Answer 1

Answer:

While buying,

He buys 1100 gram instead of 1000 gram.

Suppose he bought 1100 grams for Rs. 1000.

While selling,

He sells only 900 grams when he takes the money for 1 kg.

Now, according to the problem,

he sells at a 8% profit (20% markup, 10% discount).

Hence, his selling price is Rs. 1080 for 900 grams.

Now,

1100 grams for Rs. 1000

Hence, 1188 grams for Rs. 1080

Selling: 900 grams for Rs. 1080

Hence, % profit = 288900

 × 100 = 32%

(using goods left by goods sold formula).