Multiple choice

A man sells an article at a profit of 15%. If he had bought it at 5% more and sold it for Rs. 40 less, his profit would have been zero. Find the cost price. एक आदमी एक वस्तु को 15% लाभ पर बेचता है। यदि वह इसे 5% अधिक पर खरीदे और 40 रू. कम में बेच दे तो लाभ शून्य रहता है। क्रय मूल्य ज्ञात कीजिए।

  1. Rs./रु.250

  2. Rs./रु.300

  3. Rs./रु.350

  4. Rs./रु.400
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Let CP = x. Original SP = x + 0.15x = 1.15x. New CP = x + 0.05x = 1.05x. New SP = 1.15x - 40. New profit = 0%, so SP = CP. Therefore: 1.15x - 40 = 1.05x, giving 0.1x = 40, so x = 400. The cost price is Rs. 400. Verification: Original CP = 400, SP = 460 (15% profit). New CP = 420, SP = 420 (0% profit, which is 460-40).

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