All Free Mathematics MCQs with Answers

• A. Rs.2400
• B. Rs.3600
• C. Rs.2850
• D. Rs.2000

Explanation: Let the first investment be Rs.x, so the three investments are Rs.x, Rs.(x + 1000), and Rs.(x + 2000).

• A. Rs.2450
• B. Rs.3600
• C. Rs.2500
• D. Rs.3100

Explanation: When the profit rate rises by 7% - 5% = 2%, A's increase is two-thirds of 2% of the total capital.

• A. 1/3 rd
• B. 2/5 th
• C. 2/3 rd
• D. 1/5 th

Explanation: Using cows as the common unit, 3 horses = 5 cows, so A contributes 21 x 3 x 5/3 = 105 cow-months from horses and 15 x 2 = 30 cow-months…

• A. Rs.270
• B. Rs.185
• C. Rs.215
• D. Rs.380

Explanation: The capital-time contributions are A: 12 horses x 8 months = 96 horse-months, B: 16 horses x 9 months = 144 horse-months, and C: 18 horses…

• A. 1750
• B. 1900
• C. 8600
• D. 10300

Explanation: The capital-time values are A: Rs.6500 x 6 months = Rs.39000-months, B: Rs.8400 x 5 months = Rs.42000-months, and C: Rs.10000 x 3 months =…

• A. 3:4:5
• B. 12:15:20
• C. 20:15:12
• D. 6:8:10Quiz Mode Feature

Explanation: From 6A = 8B = 10C, let the common value be k. Then A = k/6, B = k/8, and C = k/10; multiplying by 120 gives the capital ratio 20:15:12.

• A. Rs.3750
• B. Rs.3000
• C. Rs.3200
• D. Rs.2160

Explanation: The capital-time contributions are A: Rs.6000 x 5 months = Rs.30000-months, B: Rs.3600 x 6 months = Rs.21600-months, and C: Rs.7500 x 3…

• A. Rs.2400
• B. Rs.1800
• C. Rs.3600
• D. Rs.6000

Explanation: A's capital-time contribution is Rs.1200 x 12 months = Rs.14400-months.

• A. Rs.240
• B. Rs.350
• C. Rs.340
• D. Rs.390

Explanation: A contributes Rs.3000 x 8 months + Rs.2000 x 4 months = Rs.32000-months.

• A. 6 months
• B. 8 months
• C. 10 months
• D. 7 months

Explanation: A's capital is used for 8 months, giving a capital-time value of 7 x 8 = 56 capital-months.

• A. Rs.18000
• B. Rs.15000
• C. Rs.17000
• D. Rs.14000

Explanation: A contributes Rs.25000 x 12 months = Rs.300000-months and B contributes Rs.30000 x 12 months = Rs.360000-months.

• A. Rs.480
• B. Rs.615
• C. Rs.820
• D. Rs.740

Explanation: A subscribes one-third of the total capital, so A receives one-third of the profit when profit follows capital shares.

• A. Rs.3630
• B. Rs.2840
• C. Rs.3200
• D. Rs.5600

Explanation: The investments have the ratio Rs.6300:Rs.4200:Rs.10500 = 3:2:5, with a total of 10 parts.

• A. Rs. 80000
• B. Rs. 100000
• C. Rs. 140000
• D. Rs. 120000

Explanation: The price difference between the costliest and cheapest cars is 7 - 4 = 3 ratio parts, so 3 parts = Rs. 60,000 and 1 part = Rs. 20,000.

• A. Rs. 200
• B. Rs. 250
• C. Rs. 300
• D. None of these

Explanation: Let Y's weekly pay be Rs.y. X receives 120% of this, so X is paid Rs.1.2y, and Rs.y + Rs.1.2y = Rs.550 gives Rs.2.2y = Rs.550.

• A. 3 ml
• B. 4 ml
• C. 5 ml
• D. 6 ml

Explanation: The 9 ml lotion contains 9 ml × 50% = 4.5 ml alcohol. For this 4.5 ml alcohol to be 30% of the final mixture, the final volume must be 4.5…

• A. 80:70:60
• B. 8:7:5
• C. 4:7:5
• D. 7:8:5

Explanation: The salary ratio is Rs. 80,000:Rs. 70,000:Rs. 50,000. Dividing each term by Rs. 10,000 gives 8:7:5, which is already in simplest form.

• A. 40
• B. 50
• C. 60
• D. 30

Explanation: Write the numbers as 5x and 4x. Their difference is 5x − 4x = x = 10, so the larger number is 5x = 5 × 10 = 50.

• A. Rs. 14000
• B. Rs 16000
• C. Rs. 18000
• D. Rs. 12400Quiz Mode Feature

Explanation: The equations give 5% of A = 15% of B, so A = 3B, and 10% of B = 20% of C, so B = 2C. With C = Rs. 2,000, B = Rs. 4,000 and A = Rs.

• A. Rs. 198
• B. Rs. 120
• C. Rs. 180
• D. Rs. 195

Explanation: Let A's share be Rs. x. B gets 25% more, so B = 1.25x, and since B is 20% more than C, C = 1.25x ÷ 1.20 = 25x/24.