Free Arithmetic MCQs with Answers
1,060 Arithmetic MCQs from Mathematics, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.
Arithmetic applies numerical operations to percentages, ratios, proportions, profit and loss, averages, and practical rate problems. Questions also involve time, speed and distance, and time and work, requiring careful use of units, direct and inverse relationships, weighted values, and work-rate methods rather than algebraic manipulation.
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1,060 questions · page 27 of 53
- A. Rs. 1851
- B. Rs. 1941
- C. Rs. 1951
- D. Rs. 1961
Explanation: Nine months contains 3 quarterly periods, and the quarterly rate is 16% / 4 = 4%. Compound interest is Rs. 15,625[(1.04)^3 - 1] = Rs.
Correct answer: Rs. 1951- A. Rs. 2.04
- B. Rs. 3.06
- C. Rs. 4.80
- D. Rs. 8.30
Explanation: For yearly compounding over 1.5 years, the amount is Rs. 5000 x 1.04 plus half-year simple interest on Rs. 5200, giving Rs. 5200 + Rs.
Correct answer: Rs. 2.04- A. 16
- B. 8
- C. 12
- D. 20
Explanation: If the money doubles in 4 years, each 4-year period multiplies it by 2.
Correct answer: 12- A. 18
- B. 12
- C. 9
- D. 6
Explanation: The amount becomes 3 times in 3 years, so each 3-year interval multiplies the principal by 3.
Correct answer: 6- A. 4%
- B. 5%
- C. 6%
- D. 8%
Explanation: For 2 years, the difference between compound and simple interest is P(r/100)^2 = Rs. 41 - Rs. 40 = Rs. 1.
Correct answer: 5%- A. Rs.81.60
- B. Rs.160
- C. Rs.1081.60
- D. Rs.99
Explanation: Simple interest of Rs. 80 at 4% for 2 years gives P x 4 x 2 / 100 = Rs. 80, so P = Rs. 1000. Compound interest is Rs.
Correct answer: Rs.81.60- A. Rs.6620
- B. Rs.6500
- C. Rs.6800
- D. Rs.6400
Explanation: The compound interest on Rs. 20,000 for 3 years at 10% is Rs. 20,000[(1.10)^3 - 1] = Rs. 20,000 x 0.331 = Rs. 6620.
Correct answer: Rs.6620- A. 4 years
- B. 6 years
- C. 2 years
- D. 3 years
Explanation: The growth factor is Rs. 9261 / Rs. 8000 = 1.157625, and 1.05^3 = 1.157625. Therefore the interval is 3 years at 5% compound interest.
Correct answer: 3 years- A. Rs.420.20
- B. Rs.319.06
- C. Rs.306.04
- D. Rs.294.75
Explanation: For half-yearly compounding, the rate per half-year is 4% / 2 = 2%, and 1.5 years contains 3 half-years. Compound interest is Rs.
Correct answer: Rs.306.04- A. Rs. 21000
- B. Rs. 17500
- C. Rs. 19000
- D. Rs. 24500
Explanation: Let the cost prices be x rupees and y rupees, so x + y = 35000 rupees. The total profit is 32% of 35000 rupees = 11200 rupees, giving…
Correct answer: Rs. 21000- A. 14.85%
- B. 9.98%
- C. 16.20%
- D. 14.50%
Explanation: A selling price of Rs. 50000 at 17% profit means the cost price is Rs. 50000 / 1.17 = Rs. 42735.04 approximately.
Correct answer: 9.98%- A. 3.2 cm
- B. 1.82 cm
- C. 2.54 cm
- D. 6.9 cm
Explanation: The standard length conversion is 1 inch = 2.54 cm. Therefore, option c is correct.
Correct answer: 2.54 cm- A. 9
- B. 12
- C. 15
- D. 18
Explanation: The ratio 3:5 contains 8 total parts, so each part represents 24 people / 8 = 3 people. Women represent 5 parts, giving 5 x 3 = 15 people.
Correct answer: 15- A. hq
- B. hq2
- C. 1/hq
- D. h/q
Explanation: Solving q questions in 1/h hour gives a rate of q questions / (1/h hour) = hq questions per hour.
Correct answer: hq2- A. 20
- B. 18
- C. 32
- D. 20
Explanation: The rice consumption rate is 20 kg ÷ (18 men × 3 days) = 20 kg ÷ 54 man-days.
Correct answer: 18- A. 20 days
- B. 18 days
- C. 28 days
- D. 36 days
Explanation: The available food represents 600 men × 30 days = 18,000 man-days. With 600 + 400 = 1,000 men, it will last 18,000 man-days ÷ 1,000 men =…
Correct answer: 18 days537. If 25 men can eat 150 kg of wheat in 30 days then 45 men can eat 450 kg of wheat in how many days?
- A. 13 days
- B. 50 days
- C. 15 days
- D. 18 days
Explanation: The wheat consumption rate is 150 kg ÷ (25 men × 30 days). The time for 45 men to consume 450 kg is 450 kg × (25 men × 30 days) ÷ (150 kg…
Correct answer: 50 days- A. 20 days
- B. 30 days
- C. 35 days
- D. 50 days
Explanation: The original provisions equal 1,200 boarders × 30 days = 36,000 boarder-days.
Correct answer: 30 days- A. 20 days
- B. 25 days
- C. 18 days
- D. 16 days
Explanation: After 1 day, the remaining food represents 12 person-days for every original person, because the total supply was 13 person-days and 1…
Correct answer: 20 days- A. 25 days
- B. 28 days
- C. 30 days
- D. 32 days
Explanation: The total supply is 24 men × 29 days = 696 man-days. In the first 4 days, 24 × 4 = 96 man-days are used, leaving 600 man-days; after 1/6…
Correct answer: 30 days