30 Day Basic Math Genius Quiz Challenge 29th 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. 29th Day Basic Math Genius Quiz Contest 1. If a population of 4,000 increases by 20%, what will it be? A. 4,600 B. 4,800 C. 5,000 D. 5,200 2. The price of an item is increased by 15% to INR 345. What was the original price? A. INR 300 B. INR 320 C. INR 325 D. INR 330 3. 75 is what percentage of 300? A. 20% B. 22% C. 25% D. 30% 4. A man earns INR 12,000 after a 25% increase. What was his initial salary? A. INR 9,600 B. INR 10,000 C. INR 10,500 D. INR 10,800 5. A profit of 20% is made on a selling price of INR 1,200. What was the cost price? A. INR 1,000 B. INR 1,050 C. INR 950 D. INR 1,100 6. What is 60% of 250? A. 120 B. 130 C. 140 D. 150 7. An article is sold at INR 1,800 after a 20% markup. Find the cost price. A. INR 1,400 B. INR 1,440 C. INR 1,500 D. INR 1,600 8. A book is sold for INR 450, giving a profit of 20%. What was its cost price? A. INR 360 B. INR 370 C. INR 375 D. INR 380 9. A product is marked down by 25% and sold for INR 225. What was the original price? A. INR 280 B. INR 300 C. INR 320 D. INR 250 10. A man's income increased from INR 20,000 to INR 25,000. What is the percentage increase? A. 20% B. 22% C. 25% D. 30% 11. A watch is sold for INR 360 after a 10% discount. Find the marked price. A. INR 400 B. INR 380 C. INR 420 D. INR 390 12. A student scored 300 out of 400. What is the percentage? A. 72% B. 75% C. 77% D. 80% 13. 33% of a number is 165. Find the number. A. 480 B. 500 C. 550 D. 600 14. A product costs INR 500 after a 20% discount. What was its original price? A. INR 600 B. INR 625 C. INR 550 D. INR 650 15. A student got 75 marks in a test out of 100. What is the percentage score? A. 70% B. 72% C. 75% D. 78% 16. A book is marked up by 25% and sold for INR 200. What was the original cost? A. INR 160 B. INR 175 C. INR 150 D. INR 140 17. 20% of a number is 80. What is 120% of the same number? A. 420 B. 440 C. 450 D. 480 18. A house was purchased for INR 5,00,000. After 3 years, its value increased by 40%. What is the new value? A. INR 6,50,000 B. INR 7,00,000 C. INR 7,20,000 D. INR 7,40,000 19. 40% of a salary is INR 8,000. What is the total salary? A. INR 18,000 B. INR 20,000 C. INR 22,000 D. INR 25,000 20. A trader buys a product for INR 400 and sells it at a 15% profit. What is the selling price? A. INR 450 B. INR 460 C. INR 460 D. INR 480 21. What percentage of 350 is 70? A. 15% B. 20% C. 25% D. 30% 22. A car price depreciates by 25% annually. If it was INR 40,000 last year, what is it now? A. INR 30,000 B. INR 32,000 C. INR 28,000 D. INR 35,000 23. A shopkeeper bought an item for INR 600 and sold it at a loss of 10%. What was the selling price? A. INR 500 B. INR 540 C. INR 550 D. INR 580 24. 35% of a number is 105. What is 75% of the same number? A. 200 B. 220 C. 225 D. 250 25. A population increases from 8,000 to 10,000. What is the percentage increase? A. 20% B. 22% C. 25% D. 30% 26. An item was marked at INR 700 and sold at a 15% discount. What was the selling price? A. INR 595 B. INR 600 C. INR 620 D. INR 585 27. If 50% of a number is 200, what is 75% of that number? A. 250 B. 300 C. 350 D. 400 28. A shopkeeper marks a product up by 40% and sells it for INR 700. Find the cost price. A. INR 500 B. INR 600 C. INR 580 D. INR 650 29. If a product costs INR 280 after a 30% discount, what was the original price? A. INR 400 B. INR 350 C. INR 360 D. INR 370 30. 40% of a number is 80. What is 90% of the same number? A. 180 B. 200 C. 220 D. 250 Insert Full Name with other details for certificate and list on the rankers page/group. Full NameEmail Your score is 0% Go for 30th Day Quiz Vidyalite Team Website Give Your Rating and Review Helpful for your studies? Leave a review with 5-star rating! No ratings yet. Be the first to rate! Your Name (Required): Your Email (Required, not published): Your Rating: ★ ★ ★ ★ ★ Your Review: Submit Review Student Review Gagan chhonkar August 7, 2025, 1:55 pm its good 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