30 Day Basic Math Genius Quiz Challenge 17th 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. 17th Day Basic Math Genius Quiz Contest 1. What is 65% of 800? A. 510 B. 520 C. 525 D. 530 2. If 30x = 300, what is x? A. 8 B. 9 C. 10 D. 11 3. If 16x = 256, what is x? A. 14 B. 15 C. 16 D. 17 4. If 12x = 144, what is x? A. 10 B. 11 C. 12 D. 13 5. If x - 24 = 76, what is x? A. 99 B. 100 C. 101 D. 102 6. If 9x = 72, what is x? A. 7 B. 8 C. 9 D. 10 7. What is 55% of 360? A. 190 B. 195 C. 198 D. 200 8. What is 47% of 200? A. 90 B. 91 C. 92 D. 94 9. If 80% of x = 240, what is x? A. 280 B. 300 C. 320 D. 340 10. What is 11% of 900? A. 90 B. 91 C. 92 D. 99 11. If 18 : x = 6 : 12, what is x? A. 24 B. 25 C. 26 D. 36 12. What is 38% of 700? A. 266 B. 270 C. 275 D. 280 13. If x + 24 = 84, what is x? A. 59 B. 60 C. 61 D. 62 14. What is 50% of 480? A. 220 B. 230 C. 240 D. 250 15. If x + 40 = 110, what is x? A. 60 B. 70 C. 80 D. 90 16. If 15x = 90, what is x? A. 5 B. 6 C. 7 D. 8 17. If 70% of x = 140, what is x? A. 180 B. 200 C. 210 D. 220 18. What is 30% of 1200? A. 320 B. 340 C. 360 D. 380 19. What is 20% of 550? A. 105 B. 110 C. 115 D. 120 20. If 15 : x = 12 : 60, what is x? A. 75 B. 80 C. 85 D. 90 21. If x + 30 = 70, what is x? A. 38 B. 39 C. 40 D. 41 22. If 10 : 2 = x : 20, what is x? A. 60 B. 70 C. 80 D. 100 23. What is 15% of 200? A. 28 B. 29 C. 30 D. 31 24. If x - 12 = 56, what is x? A. 66 B. 67 C. 68 D. 69 25. If x - 15 = 35, what is x? D. 52 A. 49 B. 50 C. 51 26. If 25% of x = 80, what is x? A. 280 B. 300 C. 320 D. 340 27. If 24x = 288, what is x? A. 10 B. 11 C. 12 D. 13 28. What is 22% of 450? A. 95 B. 96 C. 97 D. 99 29. If 14 : x = 28 : 56, what is x? A. 20 B. 21 C. 22 D. 28 30. If 16 : 8 = x : 32, what is x? A. 64 B. 66 C. 68 D. 70 Insert Full Name with other details for certificate and list on the rankers page/group. Full NameEmail Your score is 0% Go for 18th 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