MATHS QUIZ NO 12 NEXT NUMBER 2

[magpie in the 80's]

WHAT IS THE NEXT NUMBER

1. 43, 616, 63242, 444394507
2. 5, 13, 23, 37, 47
3. 7, 10, 17, 27, 42, 66
4. 13, 24, 45, 86, 167
5. 34, 48, 71, 110
6. 1, 2, 5, 10, 17, 26, ... 37
7. 1, 11, 21, 1211, 111221
8. 1, 3, 6, 11, 20, 37, ... 70
9. Take a 3 by 3 square. The first row reads: 3, 5, 8. The second one: 4, 1, 7 and the last one: 14, 12, ?? Which number is missing? 30
10. What's the sum of the numbers 1 to 20? 210
11. 120, 60, 40, 30, 24, ... 20
12. 0, 2, 6, 12, 20, 30, 42, 56, 72, ... 90
13. Take a 3 by 3 square. The first row reads: 9, 1, 7. The second row: 8, 2, 4. The third row: 7, 3, ... 1
14. 100, 81, 64, 49, ... 36
15. 4, 9, 25, 49, 121, 169, ... 289
16. 1, -1, 2, -3, 4, -7, 6, -11, 8, -15, 14, ... -17
17. 2, 4, 9, 28, 125, 726, ... 5047
18. Take a 3 by 3 square. The first row reads: 1, 3, 10. The second: 2, 2, 8 and the third: 3, 1, ... 6
19. 1, 2, -1, -4, -9, -54, -61, ... -488
20. When I add up the numbers 10, 20, 30, ..., untill 200 (200 included), what will be the sum? 2100

[Turkeywizz]

4 167?
7 2111
10 1101
12 90
14 36
20 2100

[magpie in the 80's]

4 167?
10 1101........INCORRECT
12 90
14 36
20 2100

ALL OTHERS CORRECT TW

[Turkeywizz]

4 167?
10 1101........INCORRECT
12 90
14 36
20 2100

ALL OTHERS CORRECT TW

10 should be 210

[magpie in the 80's]

4 167?
10 1101........INCORRECT
12 90
14 36
20 2100

ALL OTHERS CORRECT TW

10 should be 210

CORRECT TW

[Turkeywizz]

2 57?
6 37

[magpie in the 80's]

2 57?..........INCORRECT
6 37.......CORRECT

[Pseudo]

2 57?..........INCORRECT

57 isn't prime

[Hondo]

9. Take a 3 by 3 square. The first row reads: 3, 5, 8. The second one: 4, 1, 7 and the last one: 14, 12, ?? Which number is missing? 30
11. 120, 60, 40, 30, 24, ... ? 20
13. Take a 3 by 3 square. The first row reads: 9, 1, 7. The second row: 8, 2, 4. The third row: 7, 3, ... ? 1
15. 4, 9, 25, 49, 121, 169, ...? 225
18. Take a 3 by 3 square. The first row reads: 1, 3, 10. The second: 2, 2, 8 and the third: 3, 1, ... ? 6

[magpie in the 80's]

9. Take a 3 by 3 square. The first row reads: 3, 5, 8. The second one: 4, 1, 7 and the last one: 14, 12, ?? Which number is missing? 30
11. 120, 60, 40, 30, 24, ... ? 20
13. Take a 3 by 3 square. The first row reads: 9, 1, 7. The second row: 8, 2, 4. The third row: 7, 3, ... ? 1
15. 4, 9, 25, 49, 121, 169, ...? 225INCORRECT
18. Take a 3 by 3 square. The first row reads: 1, 3, 10. The second: 2, 2, 8 and the third: 3, 1, ... ? 6

ALL OTHERS CORRECT HONDO

[Pseudo]

15. 4, 9, 25, 49, 121, 169, ...? 225INCORRECT

The square root of 225 isn't prime either

[magpie in the 80's]

after your last effort pseudo where are your answers. or you still getting fresh coffee

[Pseudo]

after your last effort pseudo where are your answers. or you still getting fresh coffee

Thought I'd let someone else have a go. Otherwise FC would call me a smartarse again

[magpie in the 80's]

after your last effort pseudo where are your answers. or you still getting fresh coffee

Thought I'd let someone else have a go. Otherwise FC would call me a smartarse again

FAIR ENOUGH

[Hondo]

15. 4, 9, 25, 49, 121, 169, ...? 225INCORRECT

The square root of 225 isn't prime either

Thanks for the tip

Next number = 289

[magpie in the 80's]

15. 4, 9, 25, 49, 121, 169, ...? 225INCORRECT

The square root of 225 isn't prime either

Thanks for the tip

Next number = 289

correct hondo

[Baron Greenback]

2. 47

[magpie in the 80's]

2. 47

correct CN

[magpie in the 80's]

where are the math teachers

[Pseudo]

7: 111221
8: 70
17: 5047