30 Day Basic Math Genius Quiz Challenge 16th 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. 16th Day Basic Math Genius Quiz Contest 1. What is 48% of 600? A. 280 B. 285 C. 288 D. 290 2. If 12 : 4 = x : 20, what is x? A. 55 B. 60 C. 65 D. 70 3. If 21x = 189, what is x? A. 8 B. 9 C. 10 D. 11 4. If 10x = 90, what is x? A. 8 B. 9 C. 10 D. 11 5. What is 42% of 250? A. 104 B. 105 C. 106 D. 107 6. If x + 45 = 120, what is x? A. 72 B. 73 C. 74 D. 75 7. What is 34% of 500? A. 160 B. 170 C. 180 D. 190 8. What is 20% of 450? A. 85 B. 90 C. 95 D. 100 9. If 60% of x = 180, what is x? A. 250 B. 275 C. 300 D. 325 10. What is 12% of 500? A. 58 B. 60 C. 62 D. 64 11. If 50x = 250, what is x? A. 4 B. 5 C. 6 D. 7 12. If x - 48 = 65, what is x? A. 112 B. 113 C. 114 D. 115 13. If x + 38 = 120, what is x? A. 80 B. 81 C. 82 D. 83 14. If 16 : x = 8 : 40, what is x? A. 76 B. 78 C. 80 D. 82 15. What is 60% of 280? A. 162 B. 168 C. 172 D. 174 16. If x + 24 = 100, what is x? A. 75 B. 76 C. 77 D. 78 17. What is 25% of 320? A. 75 B. 78 C. 80 D. 82 18. What is 90% of 200? A. 170 B. 180 C. 190 D. 200 19. What is 25% of 320? A. 78 B. 79 C. 80 D. 81 20. If 14 : 7 = x : 28, what is x? A. 56 B. 60 C. 65 D. 70 21. If x + 50 = 130, what is x? A. 78 B. 79 C. 80 D. 81 22. What is 29% of 300? A. 86 B. 87 C. 88 D. 89 23. If 18x = 144, what is x? A. 8 B. 9 C. 10 D. 11 24. If x + 18 = 50, what is x? A. 30 B. 31 C. 32 D. 33 25. What is 28% of 350? A. 96 B. 97 C. 98 D. 99 26. If 8 : x = 4 : 10, what is x? A. 16 B. 18 C. 20 D. 22 27. If 45% of x = 135, what is x? A. 250 B. 275 C. 300 D. 325 28. If x - 36 = 84, what is x? A. 118 B. 120 C. 122 D. 124 29. If 8 : x = 4 : 10, what is x? A. 16 B. 18 C. 20 D. 22 30. If 18x = 162, what is x? A. 8 B. 9 C. 10 D. 11 Insert Full Name with other details for certificate and list on the rankers page/group. Full NameEmail Your score is 0% Go for 17th 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