B) 10%

C) 12%

D) 11%

Let the shopkeeper buy 300 g for Rs 300.

He sells 100 g for Rs 110.

another 100 g for Rs 120

and the rest 100 g for Rs 94.

$∴$ Total amount he receives = Rs 100+Rs 120+Rs 94 = Rs 324

$∴$ the shopkeeper spends rs 300 and gets back Rs 324.

$∴$ profit % =($− ×100$%

**=8%**

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