30 Day Basic Math Genius Quiz Challenge 28th Day Math Genius Quiz Contest Report a question What's wrong with this question? You cannot submit an empty report. Please add some details. Time: 15 Minutes for 30 Question. 28th Day Basic Math Genius Quiz Contest 1. If the radius of a circle is 24 cm, what is its circumference? (Use π = 3.14) A. 150 cm B. 150.72 cm C. 150.8 cm D. 151 cm 2. A student scores 360 out of 450 in an exam. What is the percentage score? A. 75% B. 78% C. 80% D. 82% 3. If a fan costs INR 3,200 with a 15% discount, what is the sale price? A. INR 2,680 B. INR 2,700 C. INR 2,720 D. INR 2,740 4. The value of a car depreciates by 20% each year. If it was bought for INR 1,00,000, what is its value after one year? A. INR 80,000 B. INR 82,000 C. INR 85,000 D. INR 88,000 5. If x + 45 = 112, what is x? A. 62 B. 63 C. 64 D. 67 6. A product’s price after a 30% markup is INR 780. What was the initial price? A. INR 560 B. INR 600 C. INR 580 D. INR 610 7. If 15% of a number is 60, what is the number? A. 300 B. 400 C. 450 D. 500 8. The cost of a laptop is increased by 25% and the new price is INR 37,500. Find the original cost. A. INR 30,000 B. INR 32,000 C. INR 28,000 D. INR 35,000 9. An item was marked up by 30% and sold for INR 780. What was the original price? A. INR 600 B. INR 550 C. INR 650 D. INR 700 10. The price of a product increases by 20% to INR 240. What was the original price? A. INR 200 B. INR 220 C. INR 250 D. INR 210 11. If a person saves 20% of their salary, which is INR 6,000, what is their total salary? A. INR 30,000 B. INR 25,000 C. INR 28,000 D. INR 24,000 12. A shirt is sold at INR 450 after a 10% discount. What was its marked price? A. INR 500 B. INR 480 C. INR 520 D. INR 540 13. If a washing machine costs INR 28,000 with a 15% discount, what is the sale price? A. INR 23,800 B. INR 23,900 C. INR 24,000 D. INR 24,100 14. A smartphone costs INR 25,000 with a 12% discount. What’s the sale price? A. INR 21,500 B. INR 21,700 C. INR 22,000 D. INR 22,100 15. A man spends 60% of his income and saves INR 4,000. What is his income? A. INR 8,000 B. INR 9,500 C. INR 10,000 D. INR 12,000 16. What is 12.5% of 640? A. 60 B. 80 C. 100 D. 120 17. If the radius of a circle is 25 cm, what is its area? (Use π = 3.14) A. 1,962.5 cm² B. 1,963 cm² C. 1,964 cm² D. 1,965 cm² 18. What percentage is 45 of 180? D. 35% A. 20% B. 25% C. 30% 19. A car was sold for INR 3,60,000 after a 10% decrease in price. What was the original price? A. INR 4,00,000 B. INR 3,90,000 C. INR 4,20,000 D. INR 4,10,000 20. What is 5/6 of 720? A. 590 B. 600 C. 610 D. 620 21. The salary of an employee increased from INR 12,000 to INR 15,000. What was the percentage increase? A. 20% B. 25% C. 30% D. 40% 22. 25% of a number is 75. What is 50% of the number? A. 100 B. 150 C. 200 D. 300 23. A discount of 15% on an item brings its price to INR 850. What was the original price? A. INR 1,000 B. INR 975 C. INR 925 D. INR 900 24. If 80% of a class passed an exam and 48 students passed, how many were in the class? A. 50 B. 60 C. 65 D. 70 25. 40% of a class are girls. If there are 72 girls, how many students are in the class? A. 120 B. 150 C. 160 D. 180 26. 120 is what percentage of 400? A. 25% B. 30% C. 35% D. 40% 27. A population increases by 25% to become 5,000. What was the initial population? A. 3,800 B. 4,000 C. 4,200 D. 4,500 28. A number is increased by 40% to become 420. What was the original number? A. 300 B. 360 C. 400 D. 440 29. A store sells an item at INR 300 after giving a 25% discount. What was the original price? A. INR 400 B. INR 375 C. INR 450 D. INR 425 30. Solve for x: 11x - 21 = 100 A. 9 B. 10 C. 11 D. 12 Insert Full Name with other details for certificate and list on the rankers page/group. Full NameEmail Your score is 0% Go for 29th Day Quiz Quiz Ranker Our mission is to make educational content free and accessible to everyone. We create quizzes and study materials for students for growth of India. Website Twitter Facebook Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
