Qamar gained 12.5% on the resale of a used stereo. If he purchased the item for Rs. 1680, how much did he sell it for? 

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RRB ALP CBT I 30 Aug 2018 Shift 3 Official Paper
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  1. Rs. 1,900 
  2. Rs. 1,890 
  3. Rs. 1,880 
  4. Rs. 1,910

Answer (Detailed Solution Below)

Option 2 : Rs. 1,890 
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Detailed Solution

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Given:

Qamar gained 12.5% on the resale of a used stereo. 

He purchased the item for Rs. 1680.

Concept used:

Selling Price = Cost Price × (1 + Gain%)

Calculation:

Selling price of the stereo = 1680 × (1 + 12.5%) = Rs. 1,890 

∴ He sold it for Rs. 1890.

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