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UPSC 2008: A person purchases 100 pens at a discount of 10%. The net amount of money spent by the person to purchase the pens is Rs 600. The selling expenses incurred by the person are 15% on the net cost price. What should be the selling price for 100 pens in order to earn a profit of 25%?
(a)Rs 802·50
(b)Rs 811·25
(c)Rs 862·50
(d)Rs 875
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Not attemptedCorrect Answer: (c) Rs 862·50
Net cost for 100 pens = Rs 600. Selling-expense is 15 % of 600 = Rs 90, so total cost = 600 + 90 = Rs 690. To earn 25 % profit, selling price = 690 × 1.25 = Rs 862.50, which matches option (c). ([doubtnut.com](https://www.doubtnut.com/qna/648782070?utm_source=openai))
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Frequently Asked Questions
What is the correct answer to this UPSC 2008 Science & Technology question?▼
The correct answer is option (c): Rs 862·50. Watch the detailed video explanation in our Sherlocking Prelims course on UnlockIAS.
Which year was this Quantitative Aptitude question asked in UPSC Prelims?▼
This question was asked in UPSC CSE Prelims 2008, GS Paper 1, as Question 5. It falls under Science & Technology > Quantitative Aptitude.
What is the difficulty level of this UPSC question?▼
This question is rated "moderate". It requires sound conceptual understanding of the topic.
How many UPSC Prelims questions have been asked from Quantitative Aptitude?▼
UPSC has asked 178 questions from Quantitative Aptitude (under Science & Technology) across multiple years. Visit the topic page to see the full list and year-wise trends.