What is the single equivalent discount for two successive discounts of 10% and 10%? MCQ with Answer and Explanation

What is the single equivalent discount for two successive discounts of 10% and 10%?
A. 19%
B. 18%
C. 20%
D. 21%
Answer: Option A
Solution (By JKSSB Mock Tests)
Equivalent discount = a + b - (ab / 100) = 10 + 10 - (100 / 100) = 19%.

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Practice More Profit And Loss Questions

Question #1
A grocer purchased 80 kg of sugar at Rs. 13.50 per kg and mixed it with 120 kg of sugar at Rs. 16 per kg. At what rate should he sell the mixture to gain 16%?
A. Rs. 16.50
B. Rs. 18.20
C. Rs. 17.40
D. Rs. 18

Correct Answer: Option C


Explanation:
Total Cost = (80 * 13.50) + (120 * 16) = 1080 + 1920 = 3000. Total quantity = 200 kg. Cost Price per kg = 3000 / 200 = 15. Selling Price per kg for 16% gain = 15 * 1.16 = 17.40.

This question belongs to: Maths Profit And Loss
Question #2
A shopkeeper sells an item at Rs. 180, losing 10%. What is the cost price?
A. Rs. 210
B. Rs. 185
C. Rs. 190
D. Rs. 200

Correct Answer: Option D


Explanation:
CP = 180/0.9 = 200.

This question belongs to: Maths Profit And Loss
Question #3
A shopkeeper sells a product at a profit of 15%. If the cost price is Rs. 400, what is the selling price?
A. Rs. 450
B. Rs. 470
C. Rs. 480
D. Rs. 460

Correct Answer: Option D


Explanation:
SP = 400*1.15 = 460.

This question belongs to: Maths Profit And Loss