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Next Number Trivia Quiz

What's the next number in the sequence? You may need a calculator.

A multiple-choice quiz by mikkemus1. Estimated time: 5 mins.

Author
mikkemus1

Time
5 mins

Type
Multiple Choice

Quiz #
46,387

Updated
May 06 22

# Qns
25

Difficulty
Very Difficult

Avg Score
10 / 25

Plays
5421

One at a Time - Single Page - Timed Game

Question 1 of 25

1. 3-6-9-12-15-? Hint

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Question 2 of 25

2. 1-2-4-7-11-? Hint

NEXT>

Question 3 of 25

3. 2-5-10-17-26-? Hint

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Question 4 of 25

4. 120-60-40-30-24-? Hint

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Question 5 of 25

5. 1-2-6-24-120-? Hint

244

180

360

720

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Question 6 of 25

6. 1-4-27-256-3125-? Hint

32196

7844

46656

12566

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Question 7 of 25

7. 7-(-90)-1171-(-15222)-197887-? Hint

3241446

-2572530

-3241446

-2154785

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Question 8 of 25

8. 1000-1414-1732-2000-2236-? Hint

2449

2892

3000

2441

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Question 9 of 25

9. 7-7-5-1-2-4-8-? Hint

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Question 10 of 25

10. 3-4-6-8-12-14-? Hint

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Question 11 of 25

11. 62-53-64-95-47-? Hint

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Question 12 of 25

12. 16-23-28-38-49-62-? Hint

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Question 13 of 25

13. 1-4-0-7-7-0-4-? Hint

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Question 14 of 25

14. 1000-707-577-500-447-? Hint

408

376

389

312

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Question 15 of 25

15. 6-15-35-77-143-? Hint

128

152

141

221

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Question 16 of 25

16. 123-354-897-1875-10626-? Hint

16887

32985

24576

201426

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Question 17 of 25

17. 28-44-68-104-158-? Hint

239

224

198

236

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Question 18 of 25

18. 2-6-30-260-3130-? Hint

7856

24168

9258

46662

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Question 19 of 25

19. 2-4-9-28-125-726-? Hint

4244

5224

5421

5047

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Question 20 of 25

20. 500-615-764-1313-2152-? Hint

3336

3806

3725

4000

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Question 21 of 25

21. 181-91-61-46-37-? Hint

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Question 22 of 25

22. 0.5-1-0.5-(-0.5)-(-1)- Hint

-2

0.5

-0.5

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Question 23 of 25

23. 2-4-8-10-5-11-? Hint

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Question 24 of 25

24. 1-4-6-8-9-10-12-? Hint

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Question 25 of 25

25. 3-1-4-1-5-9-2-6-? Hint

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Quiz Answer Key and Fun Facts

1. 3-6-9-12-15-?

Answer: 18

Add 3 to the previous number.

2. 1-2-4-7-11-?

Answer: 16

Add 1 to the first number, 2 to the second number, 3 to the third number, and so on.

3. 2-5-10-17-26-?

Answer: 37

1*1+1=2, 2*2+1=5, 3*3+1=10...., 6*6+1=37

4. 120-60-40-30-24-?

Answer: 20

120:1=120, 120:2=60, 120:3=40,....,120:6=20

5. 1-2-6-24-120-?

Answer: 720

1=1, 1*2=2, 1*2*3=6, 1*2*3*4=24...., 1*2*3*4*5*6=720

6. 1-4-27-256-3125-?

Answer: 46656

1=1, 2*2=4, 3*3*3=27, 4*4*4*4=256, 5*5*5*5*5=3125, 6*6*6*6*6*6=46656

7. 7-(-90)-1171-(-15222)-197887-?

Answer: -2572530

Multiply the previous number by (-13), then add 1.

8. 1000-1414-1732-2000-2236-?

Answer: 2449

Square root(1)*1000, square root(2)*1000,...square root(6)*1000=2449 (decimals removed)

9. 7-7-5-1-2-4-8-?

Answer: 7

7=7, 7+7=14,1+4=5, 7+7+5=19,1+9=10,1+0=1, 7+7+5+1=20,2+0=2, ..., 7+7+5+1+2+4+8=34,3+4=7

10. 3-4-6-8-12-14-?

Answer: 18

Prime numbers are 2-3-5-7-11-13... Add 1 to these.

11. 62-53-64-95-47-?

Answer: 19

4*4=16, 5*5=25, 6*6=36, 7*7=49, 8*8=64, 9*9=81. Reverse the digits, and you'll get 61-52-63-94-46-18. Then add 1.

12. 16-23-28-38-49-62-?

Answer: 70

23=16+1+6, 28=23+2+3, 38=28+2+8, ..., 70=62+6+2

13. 1-4-0-7-7-0-4-?

Answer: 1

Squares: 1-4-9-16-25-36-49-64. Divide these by 9, and get the remainder.

14. 1000-707-577-500-447-?

Answer: 408

1000:square(n). n=1,2,3... Drop the decimals.

15. 6-15-35-77-143-?

Answer: 221

Prime numbers: 2-3-5-7-11-13... 2*3=6, 3*5=15, 5*7=35, 7*11=77, 11*13=143, 13*17=221

16. 123-354-897-1875-10626-?

Answer: 16887

123. Rotate digits, and you'll get 231, then add 123+231=354. Rotate digits, and you'll get 543, then add 354+543=897... 10626. Rotate digits, and you'll get 06261, then add 10626+6261=16887.

17. 28-44-68-104-158-?

Answer: 239

28:2=14, 28+14+2=44. 44:2=22, 44+22+2=68. 68:2=34, 68+34+2=104... 158:2=79, 158+79+2=239.

18. 2-6-30-260-3130-?

Answer: 46662

1+1=2, (2*2)+2=6, (3*3*3)+3=30, (4*4*4*4)+4=260 ... (6*6*6*6*6*6)+6=46662.

19. 2-4-9-28-125-726-?

Answer: 5047

1+1=2, (1*2)+2=4, (1*2*3)+3=9, (1*2*3*4)+4=28 ... (1*2*3*4*5*6*7)+7=5047.

20. 500-615-764-1313-2152-?

Answer: 4000

500 in base 10, base 9, base 8 and so on. The missing one would need to be base 5, so 4000.

21. 181-91-61-46-37-?

Answer: 31

(180+n):n n=1,2,3....

22. 0.5-1-0.5-(-0.5)-(-1)-

Answer: -0.5

SIN((60*n)-30) n=1,2,3,4...

23. 2-4-8-10-5-11-?

Answer: 4

Prime numbers with 2 digits: 11-13-17-19-23-29-31... Add the digits.

24. 1-4-6-8-9-10-12-?

Answer: 14

Prime numbers are omitted.

25. 3-1-4-1-5-9-2-6-?

Answer: 5

The digits of PI.

Source: Author mikkemus1

This quiz was reviewed by FunTrivia editor spanishliz before going online.
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