Free Arithmetic MCQs with Answers

• A. 1:1
• B. 1:3
• C. 1:2
• D. 7:5

Explanation: Vessel A contains 4/7 milk and vessel B contains 2/5 milk. If x litres from A and y litres from B are mixed to obtain half milk, then…

• A. Rs.400
• B. Rs.500
• C. Rs.300
• D. Rs.600
• E. None of these

Explanation: The conditions give P = (Q + R)/2 and Q = (P + R)/3, or Q + R = 2P and P + R = 3Q.

• A. Rs.3000
• B. Rs.3600
• C. Rs.2400
• D. Rs.4000
• E. None of these

Explanation: Let P and Q together have x rupees, so R has (2/3)x rupees. Thus x + (2/3)x = Rs.6000, giving (5/3)x = Rs.6000 and R = (2/3) x Rs.3600 =…

• A. Rs.849.40
• B. Rs.877.40
• C. Rs.901.60
• D. Rs.815.20
• E. None of these

Explanation: Six kilograms of flour cost 6 x Rs.20.50 = Rs.123.00, and this equals the cost of 2 kg of rice, so 1 kg of rice costs Rs.61.50.

• A. 400
• B. 500
• C. 600
• D. 20

Explanation: For each of 20 boys, any one of 25 girls can be selected, so the multiplication principle gives 20 x 25 = 500 boy-girl selections.

• A. 21
• B. 12
• C. 9
• D. 108

Explanation: Each of the 9 trousers can be paired with any of the 12 shirts, so the multiplication principle gives 9 x 12 = 108 different selections.

• A. 6 1/8
• B. 5 3/4
• C. 6 3/4
• D. 5 7/8

Explanation: Interpreting the expression as 6 x 5/8 ÷ 5/8 - 1/8, first 6 x 5/8 = 30/8. Dividing by 5/8 gives (30/8) x (8/5) = 6, and 6 - 1/8 = 5 7/8.

• A. 1
• B. 2
• C. 69/28
• D. 66/17Computer Online Quiz

Explanation: The numerator is 22 x 495 + 891 x 44 = 10890 + 39204 = 50094. The denominator is 33 x 176 + 55 x 264 = 5808 + 14520 = 20328, so the…

• A. 1 17/38
• B. 1 38/17
• C. 2 38/17
• D. None of these

Explanation: The numerator is 62.25/2.5 + 12.5/0.5 = 24.9 + 25 = 49.9. The denominator is 0.75 x 9 + 3.5 x 3.5 = 6.75 + 12.25 = 19, giving 49.9/19 =…

• A. 9
• B. 3
• C. 0.3
• D. 0.03

Explanation: The product of the fixed decimals is 0.003 x 0.0003 = 0.0000009. Therefore, ? = 0.00000027 / 0.0000009 = 0.3.

• A. 150 1/3
• B. 150 2/3
• C. 149 2/3
• D. 149 1/3

Explanation: Convert the mixed numbers: 6 2/3 = 20/3, 9 3/5 = 48/5, and 2 1/3 = 7/3.

• A. 60
• B. 120
• C. 13
• D. 61

Explanation: Use the order of operations: 180 / 3 = 60, then 5 x 12 / 60 = 1, so 60 + 1 = 61.

• A. 0.228
• B. 0.456
• C. 0.684
• D. 1.0

Explanation: Apply the difference of squares: 0.456² - 0.228² = (0.456 - 0.228)(0.456 + 0.228).

• A. 1
• B. 2
• C. 3
• D. 5

Explanation: Interpret 1 1/3 as 4/3 and 3 ?/4 as 3 + ?/4. Then 8/15 ÷ 4/3 = 2/5, so (2/5)(3 + ?/4) = 1.5 = 3/2; hence 3 + ?/4 = 15/4 and ? = 3.

• A. 12
• B. 14
• C. 16
• D. 18

Explanation: Calculate 79.98 / 12.51 x 2.49. The quotient is approximately 6.3917, and 6.3917 x 2.49 is approximately 15.91, which rounds to 16, option…

• A. 3180
• B. 3200
• C. 3120
• D. 3210

Explanation: Since 3584 = 256 x 14, √3584 = 16√14, which is approximately 59.87. Then 59.87 x 52.034 is approximately 3115, whose nearest listed value…

• A. 1580
• B. 1680
• C. 1780
• D. 1880

Explanation: Evaluate the quotient first: 58978 / 363.94 is approximately 162.05. Multiplying by 11.02 gives approximately 162.05 x 11.02 = 1785.8, so…

• A. 383
• B. 372
• C. 380
• D. 374

Explanation: Compute the product using 2.9928 = 3 - 0.0072: 2.9928 x 66.84 = 200.52 - 0.481248 = 200.038752.

• A. 1.4
• B. 1.6
• C. 1.5
• D. 1.2

Explanation: The numerator is (180/37) x 14.8 = 72 because 14.8/37 = 0.4. The denominator is (17/60.1) x 180.30 = 17 x 3 = 51, so the ratio is 72/51 =…

• A. 1109300
• B. 1109400
• C. 1108400
• D. 1108300

Explanation: Multiply 108 x 107 = 11556, then 11556 x 96 = 1,109,376. Rounding to the nearest hundred gives 1,109,400 because the tens digit is 7, so…