The reduction of Rs. 12 in the selling price of an article will chang…

Question

The reduction of Rs. 12 in the selling price of an article will changes 5% gain into 21/2 % lose. The cost price of the article is = ?

Accepted Answer

Option B. Rs. 160. Answer & Solution Answer: Option B Solution: & Let\, the\, cost\, price\, be\,x & gain = 5\% & Selling\, Price = 105x100 & New\, SP = 105x100 - 12 & Now\, there\, is\, a\, loss\, of\,2.5\% & x × 100 - 2.5100 = 105x100 - 12 & 97.5x100 = 105x100 - 12 & 97.5x = 105x - 1200 & 7.5x =…