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 12 of 53
- A. 456
- B. 744
- C. 912
- D. 1200
Explanation: The winner's 62% share exceeds the loser's 38% share by 24% of all votes.
Correct answer: 744- A. 1,20,000
- B. 1,10,000
- C. 1,00,000
- D. 90,000
Explanation: From 1978 to 1981 there are 3 annual increases, so the 1981 population is the 1978 population x 1.05 x 1.05 x 1.05 = population x…
Correct answer: 1,20,000- A. 70%
- B. 90%
- C. 80%
- D. 75%
Explanation: A got 90% of B, B got 125% of C, and C got 80% of D, so A = 0.90 x 1.25 x 0.80 x D = 0.90D.
Correct answer: 80%- A. 20%
- B. 18%
- C. 15%
- D. 12%
Explanation: Revenue equals tax per unit multiplied by consumption. After a 20% tax reduction and a 10% consumption increase, revenue becomes 80% x…
Correct answer: 12%- A. 3
- B. 4
- C. 5
- D. 6
Explanation: The 9 ml lotion contains 50% alcohol, so alcohol volume is 50/100 x 9 ml = 4.5 ml.
Correct answer: 6- A. 12 liters
- B. 10 liters
- C. 4 liters
- D. 2 liters
Explanation: Initially, water is 10% of 70 litres, so it is 7 litres. If x litres of water are added, (7 + x) / (70 + x) = 12.5% = 1/8, giving 56 + 8x…
Correct answer: 2 liters- A. 32%
- B. 42%
- C. 52%
- D. 62%
Explanation: Take the workforce as 100 workers: 40 are technicians and 60 are non-technicians.
Correct answer: 52%- A. 3800
- B. 4200
- C. 4400
- D. 5500
Explanation: After 5% die, 95% remain, and after 15% of that remainder leave, 85% of 95% remains: 0.95 x 0.85 = 0.8075.
Correct answer: 4400- A. Rs. 14,000
- B. Rs. 12,000
- C. Rs. 30,000
- D. Rs. 40,000
Explanation: For sales S rupees, the old commission is 5% of S = 0.05S rupees. The new remuneration is 1000 + 2.5% of (S - 4000) = 1000 + 0.025S - 100…
Correct answer: Rs. 12,000- A. Rs.500
- B. Rs.750
- C. Rs.1250
- D. Rs.1500
Explanation: A saves 5% of A's salary, while B saves 15% of B's salary. Equal savings give 0.05A = 0.15B, so A = 3B; with A + B = 2000 rupees, 4B =…
Correct answer: Rs.1500- A. 300
- B. 400
- C. 350
- D. 500
Explanation: The student fails by 14 marks after scoring 130 marks, so the passing score is 130 + 14 = 144 marks.
Correct answer: 400- A. 1/12
- B. 1/8
- C. 1/6
- D. 1/4
Explanation: Let the original fraction be n/d. After the changes, its value is (1.20n)/(0.75d) = 2/15, so n/d = (2/15) x (0.75/1.20) = (2/15) x (5/8) =…
Correct answer: 1/12- A. 80%
- B. 90%
- C. 10%
- D. 50%Pakistan Studies Quiz
Explanation: Subtracting 10% of X leaves 100% - 10% = 90% of X, which is the same as multiplying X by 90% or 0.90.
Correct answer: 90%- A. 27 2/23 %
- B. 33 1/3 %
- C. 30%
- D. 19%
Explanation: Let the original price and quantity be P rupees and Q ornaments. After a 50% price increase, the price is 1.5P rupees, so the new quantity…
Correct answer: 33 1/3 %- A. 7500
- B. 5000
- C. 6000
- D. 3500
Explanation: The candidate received 35% of the votes, so the rival received 65%, making the difference 30% of the total votes.
Correct answer: 7500- A. It increases by 8%
- B. It decreases by 8%
- C. No change in revenue
- D. It increases by 10%
- E. None
Explanation: Revenue equals tax per commodity multiplied by consumption. The new revenue factor is 80% x 115% = 0.80 x 1.15 = 0.92, so revenue becomes…
Correct answer: It decreases by 8%- A. 900
- B. 950
- C. 1000
- D. 975
Explanation: The two changes multiply, so the present salary is 100% x 1.10 x 0.95 = 104.5% of the original salary.
Correct answer: 1000- A. A
- B. B
- C. C
- D. All Alike
Explanation: If A is 50% cheaper than B, then A = 0.5B. Since A is 50% dearer than C, A = 1.5C, so C = A/1.5, which is less than A; therefore C is the…
Correct answer: C- A. 80%
- B. 85%
- C. 96%
- D. 125%
Explanation: Let the third number be N. The first number is 120% of N = 1.20N, and the second is 125% of N = 1.25N.
Correct answer: 96%- A. 46%
- B. 61%
- C. 54%
- D. 70%
Explanation: English failure is 38%, while Urdu failure is 100% - 61% = 39%. Using the union rule, actual failure in at least one subject is 38% + 39%…
Correct answer: 54%