Multiple choice

A person bought 76 articles and sold 20 articles at 15% profit, 40 articles at 19% profit and remaining 16 articles at 25% profit and got a profit of Rs.6570 as a whole. The cost price of each article is- एक व्यक्ति ने 76 वस्तुएं खरीदी और 20 वस्तुएं 15% लाभ पर, 40 वस्तुएं 19% लाभ पर और शेष 16 वस्तुएं 25% लाभ पर बेच दी। उसे कुल 6570 रू. का लाभ हुआ। प्रत्येक वस्तु का क्रय मूल्य है -

  1. Rs./रु.400

  2. Rs./रु.420

  3. Rs./रु.425

  4. Rs./रु.450

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Let CP per article be x. Total profit: 20×0.15x + 40×0.19x + 16×0.25x = 6570. This gives 3x + 7.6x + 4x = 6570, so 14.6x = 6570, and x = 6570/14.6 = 450. Option D is correct.