All Free Mathematics MCQs with Answers
Every Mathematics question in the bank, across all chapters, each with the correct answer and a written explanation. Free and unlimited, with no account needed.
1,551 questions · page 35 of 78
- A. 40
- B. 60
- C. 240
- D. 250
Explanation: Let the selling price be Rs. 100. Then the cost price is 40% of it, or Rs. 40, so the selling price as a percentage of cost price is (Rs.
Correct answer: 250- A. Rs. 300
- B. Rs. 320
- C. Rs. 440
- D. Rs. 500Primary & Secondary Schooling (K-12)
Explanation: Let the selling price be x rupees. A gain of 20% of the selling price means x - Rs. 400 = 0.20x, so 0.80x = Rs. 400 and x = Rs. 500.
Correct answer: Rs. 500Primary & Secondary Schooling (K-12)- A. 10%
- B. 11%
- C. 21%
- D. 100%
Explanation: The cost of one book is Rs. 10 ÷ 11, while the selling price of one book is Rs. 11 ÷ 10. The ratio of S.P. to C.P.
Correct answer: 21%- A. Rs. 400
- B. Rs. 600
- C. Cannot be determined
- D. None of these
Explanation: For the greatest possible profit, take the lowest purchase price, Rs. 200, and the highest selling price, Rs. 425. Profit per book = Rs.
Correct answer: None of these- A. 10%
- B. 15%
- C. 20%
- D. 25%
Explanation: The cost of 320 mangoes is the cost of 320 mangoes, while the selling price equals the cost of 400 mangoes.
Correct answer: 25%- A. Rs. 6
- B. Rs. 6.48
- C. Rs. 7.02
- D. Rs. 7.20
Explanation: Rs. 5.40 is 90% of the cost price because it represents a 10% loss, so cost price = Rs. 5.40/0.90 = Rs. 6.00 per kg.
Correct answer: Rs. 7.20- A. Rs. 12
- B. Rs. 12.96
- C. Rs. 14.40
- D. None of these
Explanation: Rs. 10.80 represents 90% of the cost price, so cost price = Rs. 10.80/0.90 = Rs. 12.00 per piece. A 20% profit requires Rs.
Correct answer: Rs. 14.40- A. 20%
- B. 50%
- C. 19 ½ %
- D. 56 ¼ %
Explanation: The cost of one article is Rs. 8/10 = Rs. 0.80, while its selling price is Rs. 1.25. Gain per article = Rs. 1.25 - Rs. 0.80 = Rs.
Correct answer: 56 ¼ %- A. 24.5
- B. 28.5
- C. 30
- D. Data inadequate
- E. None of these
Explanation: Take the cost price as Rs. 100. A profit of 23.5% means the discounted selling price is Rs.
Correct answer: 30- A. Rs. 8400
- B. Rs. 8721
- C. Rs. 8856
- D. None of these
Explanation: Successive discounts are applied one after another: Rs. 12,000 x 0.85 = Rs. 10,200, then Rs. 10,200 x 0.90 = Rs. 9,180, and finally Rs.
Correct answer: Rs. 8721- A. Rs. 1000
- B. Rs. 2000
- C. Rs. 2500
- D. Rs. 3000
Explanation: Let the total cost of the horses be Rs. x, so the cows cost Rs. 13,400 - x.
Correct answer: Rs. 2000- A. 5
- B. 8
- C. 10
- D. 15General Reference
Explanation: Selling 12 toffees for Rs. 1 at a 20% loss means Rs. 1 is 80% of their cost, so cost of 12 toffees = Rs. 1/0.80 = Rs. 1.25.
Correct answer: 8- A. 3
- B. 4
- C. 5
- D. 6
Explanation: The cost of one toffee is Rs. 1/6. For a 20% gain, its selling price must be Rs. (1/6) x 1.20 = Rs. 1/5.
Correct answer: 5- A. 15%
- B. 16 1/6%
- C. 16 2/3%
- D. 20%Fun & Trivia
Explanation: The retailer receives 6 dozen boxes but pays for only 5 dozen, so he pays 5/6 of the normal price.
Correct answer: 16 2/3%- A. 20% loss
- B. 20% gain
- C. 25% loss
- D. 25% gain
Explanation: If the selling price of 50 articles equals the cost price of 40 articles, then selling price per article is 40/50 = 0.8 of its cost price.
Correct answer: 20% loss- A. 25%
- B. 33 1/3 %
- C. 50%
- D. 66 2/3 %
Explanation: Let the cost of one pen be Rs. 1, so 12 pens cost Rs. 12. Since this equals the selling price of 8 pens, each pen sells for Rs. 12/8 = Rs.
Correct answer: 50%- A. Rs. 2000
- B. Rs. 2200
- C. Rs. 2400
- D. None of these
Explanation: Let the cost price be Rs. x. The profit at Rs. 1,920 equals the loss at Rs. 1,280, so 1,920 - x = x - 1,280, giving 2x = Rs.
Correct answer: Rs. 2000- A. Rs. 920
- B. Rs. 960
- C. Rs. 1060
- D. Rs. 1200
Explanation: Let the cost price be Rs. x. Equal profit and loss give Rs. 832 - x = x - Rs. 448, so 2x = Rs. 1,280 and the cost price is Rs. 640.
Correct answer: Rs. 960- A. 30%
- B. 70%
- C. 100%
- D. 250%
Explanation: Let the cost price be Rs. 100. A profit of 320% is Rs. 320, so the selling price is Rs.
Correct answer: 70%- A. 66 2/3
- B. 100
- C. 105 1/3
- D. 120Quiz Mode Feature
Explanation: Let the original selling price be Rs. S and cost price be Rs. C. After doubling the selling price, S's profit becomes 2S - C, and this…
Correct answer: 100