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- Question
- On a 20 % discount sale, an article costs 596 . What was the original price of the article?
Options- A. ? 720
- B. ? 735
- C. ? 745
- D. ? 775
- Correct Answer
- ? 745
ExplanationLet the original price of be N .
? At discount of 20% article costs ? 596
? 596 = (80 x N)/100
? N = (596 x 100)/80
? N = 745
? original price = ? 745 - 1. Two successive discounts of 20% and 20% are equivalent to a single discount of
Options- A. 42%
- B. 40%
- C. 36%
- D. 34% Discuss
- 2. ?. 8x 2 + 6x = 5
?. 12y 2 ? 22y + 8 = 0
Options- A. 1
- B. 2
- C. 3
- D. 4 Discuss
- 3. ?. 17x 2 + 48x = 9
?. 13y 2 = 32y ? 12
Options- A. 1
- B. 2
- C. 3
- D. 4 Discuss
- 4. ?. 4x + 7y = 209
?. 12x ? 14y = ?38
Options- A. 1
- B. 2
- C. 3
- D. 4 Discuss
- 5. ?. 18x 2 + 18x + 4 = 0
?. 12y 2 + 29y + 14 =0
Options- A. 1
- B. 2
- C. 3
- D. 4 Discuss
- 6. If an electricity bill is paid before due date, one gets a reduction of 4 % on the amount of the bill . By paying the bill before due date, a person got a reduction of ? 13 . The amount of his electricity bill was
Options- A. ? 125
- B. ? 225
- C. ? 325
- D. ? 425 Discuss
- 7. Successive discounts of 10%, 20% and 30% is equivalent to single discount of?
Options- A. 60%
- B. 49.6%
- C. 40.5%
- D. 36% Discuss
- 8. A shopkeeper has announced 14% rebate on marked price of an article. If the selling price of the article is ? 645, then the marked price of the article will be?
Options- A. ? 800
- B. ? 810
- C. ? 750
- D. ? 775 Discuss
- 9. A merchant has announced 25% rebate on prices of ready made garments at the time of sale. If a purchaser needs to have a rebate of ? 400, then how many shirts, each costing ? 320, should he purchase?
Options- A. 10
- B. 7
- C. 6
- D. 5 Discuss
- 10. The difference between a discount of 40% on ? 500 and two successive discounts of 36% and 4% on the same amount is?
Options- A. ? 0
- B. ? 2
- C. ? 1.93
- D. ? 7.20 Discuss
Discount problems
Search Results
Correct Answer: 36%
Explanation:
Given, r1 = 20% and r2 = 20%
? Single discount equal to r1 and r2
= (r1 + r2 - r1 x r2) / 100 %
= (20 + 20 - 20 x 20) / 100
= 40 - 4 = 36%
Correct Answer: 3
Explanation:
Correct Answer: 1
Explanation:
Correct Answer:
Explanation:
Correct Answer: 4
Explanation:
Correct Answer: ? 325
Explanation:
Let amount of electricity bill = ? N
? 4% of N = 13
? (4 x N)/100 = 13
? N = 13 x 25 = ? 325
Correct Answer: 49.6%
Explanation:
Here, r1 = 10 %, r2 = 20% and r3 = 30%
? Required discount
= [1 - (1 - r1/100) (1 - r2/100) (1 - r3/100)] x 100%
= [1 - (1 -10/100) (1 - 20/100) (1 - 30/100)] x 100%
= {1 - (9/10) x (4/5) x (7/10)} x 100%
= (1 - 0.504) x 100% = 49.6%
Correct Answer: ? 750
Explanation:
Let the marked price of item = ? N
? {(100 - 14) /100 } of N = 645
? N = (645 x 100)/86 = ? 750
Correct Answer: 5
Explanation:
? Marked price of a shirt = ? 320
Discount on a shirt = 320 x 25/100 = ? 80
? Number of shirts has to be purchased to get a rebate of ? 400 = 400/80 = 5
Correct Answer: ? 7.20
Explanation:
? Single discount equivalent to 36% and 4%
= 36 + 4 - {(36 x 4)/100} = 38.56
? Required difference
= {(40 - 38.56) x 500}/100 = 1.44 x 5 = ? 7.20
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