13th Day Math Genius Quiz Contest

Time: 15 Minutes for 30 Question.

13th Day Basic Math Genius Quiz Contest

1. What is 55% of 200?

A. 105

B. 110

C. 115

D. 120

2. If x - 30 = 42, what is x?

A. 70

B. 71

C. 72

D. 73

3. If x + 42 = 87, what is x?

A. 43

B. 44

C. 45

D. 46

4. What is 36% of 500?

A. 175

B. 180

C. 185

D. 190

5. What is 65% of 240?

A. 152

B. 154

C. 156

D. 158

6. If x - 17 = 33, what is x?

A. 48

B. 49

C. 50

D. 51

7. If x + 15 = 100, what is x?

A. 80

B. 82

C. 84

D. 85

8. If 50% of x = 175, what is x?

A. 330

B. 340

C. 350

D. 360

9. If 33% of x = 99, what is x?

A. 250

B. 275

C. 300

D. 325

10. If x + 37 = 74, what is x?

A. 36

B. 37

C. 38

D. 39

11. If 14 : 7 = x : 15, what is x?

D. 30

A. 27

B. 28

C. 29

12. If 40% of x = 160, what is x?

A. 300

B. 350

C. 400

D. 450

13. What is 28% of 250?

A. 65

B. 68

C. 70

D. 75

14. What is 25% of 400?

A. 90

B. 95

C. 100

D. 105

15. What is 18% of 500?

A. 85

B. 90

C. 95

D. 100

16. If 12x = 144, what is x?

A. 9

B. 10

C. 11

D. 12

17. If 5x = 105, what is x?

A. 20

B. 21

C. 22

D. 23

18. If x + 40 = 90, what is x?

A. 45

B. 48

C. 50

D. 52

19. If 22x = 198, what is x?

A. 7

B. 8

C. 9

D. 10

20. If 9 : x = 3 : 5, what is x?

A. 12

B. 13

C. 14

D. 15

21. If 16 : 24 = x : 12, what is x?

A. 8

B. 10

C. 11

D. 12

22. If 30% of x = 90, what is x?

A. 250

B. 275

C. 280

D. 300

23. If 8 : x = 2 : 5, what is x?

A. 18

B. 20

C. 22

D. 25

24. What is 45% of 320?

A. 140

B. 144

C. 148

D. 152

25. If 5 : x = 15 : 18, what is x?

A. 6

B. 7

C. 8

D. 9

26. What is 18% of 250?

A. 42

B. 43

C. 44

D. 45

27. If 20x = 180, what is x?

A. 7

B. 8

C. 9

D. 10

28. If 18x = 162, what is x?

A. 7

B. 8

C. 9

D. 10

29. What is 15% of 360?

A. 52

B. 54

C. 56

D. 58

30. If 25 : 5 = x : 15, what is x?

A. 60

B. 70

C. 75

D. 80

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Student Review

Gagan chhonkar

August 7, 2025, 1:55 pm

its good

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13th Day Math Genius Quiz Contest

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