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. 33.33%
B. 25%
C. 30%
D. 20%
Answer: Option B
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 person sells a watch for Rs. 900, gaining 12.5%. Find the cost price.
A. Rs. 800
B. Rs. 820
C. Rs. 840
D. Rs. 780

Correct Answer: Option A


Explanation:
CP = 900 / 1.125 = 800.

This question belongs to: Maths Profit And Loss
Question #2
A shopkeeper sells a book for Rs. 300, gaining 20%. Find the cost price.
A. Rs. 260
B. Rs. 250
C. Rs. 240
D. Rs. 270

Correct Answer: Option B


Explanation:
CP = 300/1.2 = 250.

This question belongs to: Maths Profit And Loss
Question #3
A shirt marked at Rs. 800 is sold at a discount of 25%. What is the selling price?
A. Rs. 500
B. Rs. 600
C. Rs. 650
D. Rs. 550

Correct Answer: Option B


Explanation:
Marked Price = 800. Discount = 25%. Selling Price = 800 * 0.75 = 600.

This question belongs to: Maths Profit And Loss