30 Day Basic Math Genius Quiz Challenge 21st 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. 21st Day Basic Math Genius Quiz Contest 1. Solve for x: 4x + 6 = 38 A. 7 B. 8 C. 9 D. 10 2. A jacket costs INR 3000. With an 18% discount, what’s the price? A. INR 2400 B. INR 2450 C. INR 2460 D. INR 2470 3. A computer costs INR 60,000. With a 20% discount, what is the sale price? A. INR 47,000 B. INR 48,000 C. INR 49,000 D. INR 50,000 4. Solve for x: 9x - 27 = 54 A. 7 B. 8 C. 9 D. 10 5. If a triangle has a base of 12 cm and height of 8 cm, what is its area? A. 48 cm² B. 50 cm² C. 52 cm² D. 54 cm² 6. If 3/4 of 320 is taken, how much is it? A. 230 B. 240 C. 250 D. 260 7. What is 7/10 of 500? A. 300 B. 320 C. 340 D. 350 8. If x + 20 = 90, what is x? A. 60 B. 65 C. 70 D. 75 9. A laptop costs INR 45,000. With a 10% discount, what’s the price? A. INR 39,000 B. INR 40,500 C. INR 41,000 D. INR 41,500 10. What is 9/10 of 800? A. 700 B. 720 C. 740 D. 760 11. If x + 25 = 100, what is x? A. 70 B. 72 C. 75 D. 78 12. Solve for x: 5(x - 3) = 20 A. 6 B. 7 C. 8 D. 9 13. If a circle has a radius of 5 cm, what is its area? (Use π = 3.14) A. 75.5 cm² B. 77 cm² C. 78.5 cm² D. 79 cm² 14. If a book costs INR 1200 and there’s a 15% discount, what is the sale price? A. INR 950 B. INR 960 C. INR 980 D. INR 1020 15. A jacket is priced at INR 5,000. With a 25% discount, what’s the price? A. INR 3,700 B. INR 3,750 C. INR 3,800 D. INR 3,850 16. A TV costs INR 30,000. With a 15% discount, what is the sale price? A. INR 24,500 B. INR 25,000 C. INR 25,500 D. INR 26,000 17. If a circle’s radius is 21 cm, what is its circumference? (Use π = 22/7) A. 130 cm B. 132 cm C. 134 cm D. 136 cm 18. If the radius of a circle is 14 cm, what is its circumference? (Use π = 22/7) A. 84 cm B. 86 cm C. 88 cm D. 90 cm 19. If x - 30 = 50, what is x? A. 75 B. 80 C. 85 D. 90 20. What is 85% of 200? A. 160 B. 165 C. 170 D. 175 21. If the diameter of a circle is 14 cm, what is its area? (Use π = 22/7) A. 150 cm² B. 152 cm² C. 154 cm² D. 156 cm² 22. If 2/3 of a number is 120, what is the number? A. 160 B. 170 C. 180 D. 190 23. What is the perimeter of a square with side length 14 cm? A. 50 cm B. 52 cm C. 54 cm D. 56 cm 24. What is 3/5 of 250? A. 145 B. 150 C. 155 D. 160 25. If a phone costs INR 25,000 and there is a 15% tax, what is the total price? A. INR 28,500 B. INR 28,600 C. INR 28,750 D. INR 28,800 26. What is the area of a rectangle with length 15 cm and width 8 cm? A. 110 cm² B. 115 cm² C. 120 cm² D. 125 cm² 27. Solve for x: 7x - 14 = 35 A. 6 B. 7 C. 8 D. 9 28. What is 6/7 of 280? A. 220 B. 230 C. 240 D. 250 29. If a watch costs INR 2,000 and there is an 18% tax, what is the total cost? A. INR 2,300 B. INR 2,360 C. INR 2,400 D. INR 2,450 30. What is 5/6 of 420? A. 320 B. 330 C. 340 D. 350 Insert Full Name with other details for certificate and list on the rankers page/group. Full NameEmail Your score is 0% Go for 22nd 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