Math MCQ Questions with answers

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Here Important Math MCQ questions are added which are frequently asked in almost all the examinations. You can check the correct answer of any question on clicking the show answer button. The Correct answer will be displayed below. You can share any question with your friends on whatsapp by tapping Share button.

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Q. A shopkeeper allows successive discounts of 10% and 20%. The equivalent single discount is:

  • (A) 28%
  • (B) 30%
  • (C) 32%
  • (D) 35%
📝 Notes
✅ Correct Answer: (A) 28%
Explanation: Equivalent discount = 10 + 20 - (10 × 20)/100 = 28%.

Published by Mr. Dubey ⭐ 109.86K Points at 25-Jul-2026 04:21 pm in Math

Q. The passing marks are 40%. A student scores 144 marks and fails by 16 marks. The maximum marks are:

  • (A) 350
  • (B) 400
  • (C) 450
  • (D) 500
📝 Notes
✅ Correct Answer: (B) 400
Explanation: Passing marks = 160. Since 40% = 160, maximum marks = (160 × 100)/40 = 400.

Published by Mr. Dubey ⭐ 109.86K Points at 25-Jul-2026 04:21 pm in Math

Q. If B is 20% less than A, then A is what percent more than B?

  • (A) 20%
  • (B) 22%
  • (C) 25%
  • (D) 30%
📝 Notes
✅ Correct Answer: (C) 25%
Explanation: Let A = 100, B = 80. Increase = (20/80) × 100 = 25%.

Published by Mr. Dubey ⭐ 109.86K Points at 25-Jul-2026 04:21 pm in Math

Q. The salary of an employee is reduced by 10% and then increased by 10%. The net result is:

  • (A) 1% increase
  • (B) 1% decrease
  • (C) No change
  • (D) 2% decrease
📝 Notes
✅ Correct Answer: (B) 1% decrease
Explanation: Net change = -10 + 10 - (10 × 10)/100 = -1%.

Published by Mr. Dubey ⭐ 109.86K Points at 25-Jul-2026 04:21 pm in Math

Q. A person spends 60% of his income. If his income is ₹50,000, his savings are:

  • (A) ₹18,000
  • (B) ₹20,000
  • (C) ₹22,000
  • (D) ₹24,000
📝 Notes
✅ Correct Answer: (B) ₹20,000
Explanation: Savings = 40% of ₹50,000 = ₹20,000.

Published by Mr. Dubey ⭐ 109.86K Points at 25-Jul-2026 04:21 pm in Math

Q. If 125% of a number is 500, then the number is:

  • (A) 350
  • (B) 375
  • (C) 400
  • (D) 425
📝 Notes
✅ Correct Answer: (C) 400
Explanation: Number = (500 × 100)/125 = 400.

Published by Mr. Dubey ⭐ 109.86K Points at 25-Jul-2026 04:21 pm in Math

Q. A company increases the salary of its employees by 15%. An employee's salary becomes ₹46,000. His previous salary was:

  • (A) ₹38,000
  • (B) ₹39,000
  • (C) ₹40,000
  • (D) ₹42,000
📝 Notes
✅ Correct Answer: (C) ₹40,000
Explanation: Previous salary = 46000 × 100/115 = ₹40,000.

Published by Mr. Dubey ⭐ 109.86K Points at 25-Jul-2026 04:21 pm in Math

Q. The number of students in a school decreases from 2,500 to 2,250. The percentage decrease is:

  • (A) 8%
  • (B) 10%
  • (C) 12%
  • (D) 15%
📝 Notes
✅ Correct Answer: (B) 10%
Explanation: Decrease = 250. Percentage decrease = (250/2500) × 100 = 10%.

Published by Mr. Dubey ⭐ 109.86K Points at 25-Jul-2026 04:21 pm in Math

Q. An article is sold at a profit of 20%. If its cost price is ₹750, the selling price is:

  • (A) ₹850
  • (B) ₹875
  • (C) ₹900
  • (D) ₹950
📝 Notes
✅ Correct Answer: (C) ₹900
Explanation: Selling price = 750 × 120/100 = ₹900.

Published by Mr. Dubey ⭐ 109.86K Points at 25-Jul-2026 04:21 pm in Math

Q. A city's population grows by 8% annually. If the current population is 50,000, the population after one year will be:

  • (A) 53,000
  • (B) 54,000
  • (C) 55,000
  • (D) 56,000
📝 Notes
✅ Correct Answer: (B) 54,000
Explanation: Population after one year = 50,000 × 108/100 = 54,000.

Published by Mr. Dubey ⭐ 109.86K Points at 25-Jul-2026 04:21 pm in Math

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