18th Day Math Genius Quiz Contest

Time: 15 Minutes for 30 Question.

18th Day Basic Math Genius Quiz Contest

1. If 25x = 150, what is x?

A. 4

B. 5

C. 6

D. 7

2. What is 18% of 500?

A. 85

B. 90

C. 95

D. 100

3. If 20x = 600, what is x?

A. 20

B. 25

C. 30

D. 35

4. If 8x = 64, what is x?

A. 6

B. 7

C. 8

D. 9

5. What is 48% of 500?

A. 230

B. 240

C. 250

D. 260

6. If 16x = 256, what is x?

A. 14

B. 15

C. 16

D. 17

7. If x + 20 = 100, what is x?

A. 75

B. 76

C. 77

D. 80

8. If x - 32 = 48, what is x?

A. 78

B. 79

C. 80

D. 81

9. If 10 : 5 = x : 25, what is x?

A. 40

B. 45

C. 50

D. 55

10. If x - 20 = 80, what is x?

A. 95

B. 96

C. 97

D. 100

11. If 25% of x = 50, what is x?

A. 180

B. 200

C. 220

D. 240

12. What is 55% of 600?

A. 325

B. 330

C. 335

D. 340

13. What is 72% of 400?

A. 288

B. 290

C. 292

D. 294

14. What is 16% of 500?

A. 78

B. 79

C. 80

D. 81

15. What is 65% of 900?

A. 575

B. 580

C. 585

D. 590

16. If 7x = 140, what is x?

A. 18

B. 19

C. 20

D. 21

17. What is 13% of 800?

A. 102

B. 103

C. 104

D. 105

18. If 20 : x = 5 : 15, what is x?

A. 50

B. 60

C. 70

D. 80

19. What is 35% of 700?

A. 245

B. 250

C. 255

D. 260

20. If 40 : 10 = x : 25, what is x?

A. 90

B. 80

C. 75

D. 100

21. What is 10% of 1500?

A. 130

B. 140

C. 150

D. 160

22. What is 50% of 700?

A. 320

B. 350

C. 360

D. 370

23. If 14 : x = 21 : 42, what is x?

A. 28

B. 52

C. 54

D. 56

24. If 15x = 180, what is x?

A. 10

B. 11

C. 12

D. 13

25. If x + 44 = 80, what is x?

A. 34

B. 35

C. 36

D. 37

26. If x + 12 = 60, what is x?

A. 45

B. 46

C. 47

D. 48

27. If 60% of x = 240, what is x?

A. 350

B. 400

C. 420

D. 440

28. What is 30% of 900?

A. 250

B. 270

C. 280

D. 300

29. If 7 : x = 14 : 28, what is x?

A. 14

B. 16

C. 17

D. 18

30. If x + 50 = 150, what is x?

A. 80

B. 90

C. 100

D. 110

Insert Full Name with other details for certificate and list on the rankers page/group.

Full NameEmail

Your score is

Go for 19th 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:

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

18th Day Math Genius Quiz Contest

Report a question

Go for 19th Day Quiz

Vidyalite Team

Give Your Rating and Review

Student Review