The cost price of 5 pens is equal to the selling price of 4 pens. Find the profit percentage. MCQ with Answer and Explanation

The cost price of 5 pens is equal to the selling price of 4 pens. Find the profit percentage.
A. 20%
B. 30%
C. 25%
D. 33.33%
Answer: Option C
Solution (By JKSSB Mock Tests)
Let the cost price of 1 pen be CP and selling price of 1 pen be SP. Given 5 * CP = 4 * SP, so SP / CP = 5 / 4. Profit = SP - CP = 5 - 4 = 1 unit. Profit Percentage = (1 / 4) * 100 = 25%.

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Practice More Profit And Loss Questions

Question #1
A shopkeeper bought 12 kg of rice at Rs. 30 per kg and 8 kg at Rs. 40 per kg. He mixed them and sold at Rs. 45 per kg. What is his profit percentage?
A. 15%
B. 30%
C. 25%
D. 20%

Correct Answer: Option D


This question belongs to: Maths Profit And Loss
Question #2
What is the selling price of an article if its cost price is Rs. 750 and the profit is 8%?
A. Rs. 800
B. Rs. 810
C. Rs. 780
D. Rs. 820

Correct Answer: Option B


Explanation:
SP = 750 * 1.08 = 810.

This question belongs to: Maths Profit And Loss
Question #3
A person sells a watch for Rs. 480, gaining 20%. Find the cost price.
A. Rs. 380
B. Rs. 440
C. Rs. 400
D. Rs. 420

Correct Answer: Option C


Explanation:
CP = 480 / 1.20 = 400.

This question belongs to: Maths Profit And Loss