Question

if 5% more is gained by selling an article for rupees 350 that by selling at 340 rs then the cost of the article is?

Answer 1

Let Cost price of the article = Rs X 
When SP is Rs 340, then gain %={(340−X)/X}×100 
When SP is Rs 350, then gain %={(350−X)/X}×100 
Hence Additional % gain {(350−X)/X}− {(340−X)/X}×100 
Hence {(350−X)/X}×100− {(340−X)/X}×100 = 5 
→35000−100− 34000+ 100X) = 5X 
or 5X = 1000 
or X = Rs 200 

Answer 2

Step-by-step explanation:

Let Cost price of the article = Rs X When SP is Rs 340, then gain %={(340−X)/X}×100 When SP is Rs 350, then gain %={(350−X)/X}×100 Hence Additional % gain {(350−X)/X}− {(340−X)/X}×100 Hence {(350−X)/X}×100− {(340−X)/X}×100 = 5 →35000−100− 34000+ 100X) = 5X or 5X = 1000 or X = Rs 200

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