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Question

A shopkeeper allows a discount of 10% on the marked price of an item but charges a sales tax of 8% on the discounted price. If the customer pays Rs. 680.40 as the price including the sales tax, then what is the marked price of the item ?

A
Rs 630
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B
Rs 700
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C
Rs 780
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D
None of these
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Solution

The correct option is B Rs 700
Let the marked price=x Rs.
Then according to the question
90x100+8100×90x100=680.40
90x100+72x1000=680.40
900x+72x1000=680.40
972x=680400
x=680400972=700Rs.

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