By selling a watch for Rs. 900, a shopkeeper loses 10%. What is the cost price? MCQ with Answer and Explanation

By selling a watch for Rs. 900, a shopkeeper loses 10%. What is the cost price?
A. Rs. 1050
B. Rs. 950
C. Rs. 980
D. Rs. 1000
Answer: Option D
Solution (By JKSSB Mock Tests)
Selling Price = 900. Loss = 10%. Cost Price = 900 / 0.90 = 1000.

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Practice More Profit And Loss Questions

Question #1
A merchant gives a discount of 10% on the marked price. If he sells for Rs. 900, he gains 12.5%. If he sells at the marked price, what is his profit percentage?
A. 20%
B. 25%
C. 30%
D. 22.5%

Correct Answer: Option B


Explanation:
Selling Price = 900. Gain = 12.5%. Cost Price = 900 / 1.125 = 800. Marked Price = 900 / 0.90 = 1000. If sold at 1000, Profit = 1000 - 800 = 200. Profit percentage = (200 / 800) * 100 = 25%.

This question belongs to: Maths Profit And Loss
Question #2
If the selling price of an article is Rs. 450, there is a loss of 10%. What is the cost price?
A. Rs. 460
B. Rs. 500
C. Rs. 480
D. Rs. 520

Correct Answer: Option B


Explanation:
CP = 450/0.9 = 500.

This question belongs to: Maths Profit And Loss
Question #3
A trader allows a discount of 20% on the marked price and still gains 25%. If the cost price is Rs. 800, find the marked price.
A. Rs. 1150
B. Rs. 1300
C. Rs. 1200
D. Rs. 1250

Correct Answer: Option D


Explanation:
SP = 800*1.25 = 1000. MP = 1000 / 0.8 = 1250.

This question belongs to: Maths Profit And Loss