Ramesh sold a book at a loss of 30%. If he has sold it for Rs. 140 mo…

Question

Ramesh sold a book at a loss of 30%. If he has sold it for Rs. 140 more, he would have made a profit of 40%. The cost price of the book is = ?

Accepted Answer

Option B. Rs. 200. Answer & Solution Answer: Option B Solution: & Loss = 30\% & Let\, CP = x & Loss\% = CP - SP CP × 100 & 30100 = x - SPx & 3x = 10x - 10 SP & 7x = 10 SP & SP = 710x & If\, SP = 140\, more\, = 710x + 140 & the\, profit = 40\% & 40100 = 710x + 140 - xx & 2/5 = 1400 - 3x10x & 4x = 1…