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MATHS QUIZ NO 12 NEXT NUMBER 2

PostPosted: Tue Jul 08, 2008 5:25 pm
by 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

Re: MATHS QUIZ NO 12 NEXT NUMBER 2

PostPosted: Tue Jul 08, 2008 5:30 pm
by Turkeywizz
4 167?
7 2111
10 1101
12 90
14 36
20 2100

Re: MATHS QUIZ NO 12 NEXT NUMBER 2

PostPosted: Tue Jul 08, 2008 5:39 pm
by magpie in the 80's
Turkeywizz wrote:4 167?
10 1101........INCORRECT
12 90
14 36
20 2100

ALL OTHERS CORRECT TW

Re: MATHS QUIZ NO 12 NEXT NUMBER 2

PostPosted: Tue Jul 08, 2008 5:45 pm
by Turkeywizz
magpie in the 80's wrote:
Turkeywizz wrote:4 167?
10 1101........INCORRECT
12 90
14 36
20 2100

ALL OTHERS CORRECT TW


10 should be 210

Re: MATHS QUIZ NO 12 NEXT NUMBER 2

PostPosted: Tue Jul 08, 2008 5:46 pm
by magpie in the 80's
Turkeywizz wrote:
magpie in the 80's wrote:
Turkeywizz wrote:4 167?
10 1101........INCORRECT
12 90
14 36
20 2100

ALL OTHERS CORRECT TW


10 should be 210

CORRECT TW

Re: MATHS QUIZ NO 12 NEXT NUMBER 2

PostPosted: Tue Jul 08, 2008 5:55 pm
by Turkeywizz
2 57?
6 37

Re: MATHS QUIZ NO 12 NEXT NUMBER 2

PostPosted: Tue Jul 08, 2008 6:59 pm
by magpie in the 80's
Turkeywizz wrote:2 57?..........INCORRECT
6 37.......CORRECT

Re: MATHS QUIZ NO 12 NEXT NUMBER 2

PostPosted: Tue Jul 08, 2008 9:20 pm
by Pseudo
magpie in the 80's wrote:
Turkeywizz wrote:2 57?..........INCORRECT

57 isn't prime :wink:

Re: MATHS QUIZ NO 12 NEXT NUMBER 2

PostPosted: Tue Jul 08, 2008 10:40 pm
by 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

Re: MATHS QUIZ NO 12 NEXT NUMBER 2

PostPosted: Tue Jul 08, 2008 10:59 pm
by magpie in the 80's
hondo71 wrote: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

Re: MATHS QUIZ NO 12 NEXT NUMBER 2

PostPosted: Tue Jul 08, 2008 11:15 pm
by Pseudo
magpie in the 80's wrote:
hondo71 wrote:15. 4, 9, 25, 49, 121, 169, ...? 225INCORRECT

The square root of 225 isn't prime either :lol:

Re: MATHS QUIZ NO 12 NEXT NUMBER 2

PostPosted: Tue Jul 08, 2008 11:50 pm
by magpie in the 80's
after your last effort pseudo where are your answers. or you still getting fresh coffee :wink:

Re: MATHS QUIZ NO 12 NEXT NUMBER 2

PostPosted: Wed Jul 09, 2008 11:25 am
by Pseudo
magpie in the 80's wrote:after your last effort pseudo where are your answers. or you still getting fresh coffee :wink:

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

Re: MATHS QUIZ NO 12 NEXT NUMBER 2

PostPosted: Wed Jul 09, 2008 11:51 am
by magpie in the 80's
Pseudo wrote:
magpie in the 80's wrote:after your last effort pseudo where are your answers. or you still getting fresh coffee :wink:

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

FAIR ENOUGH :wink:

Re: MATHS QUIZ NO 12 NEXT NUMBER 2

PostPosted: Wed Jul 09, 2008 12:38 pm
by Hondo
Pseudo wrote:
magpie in the 80's wrote:
hondo71 wrote:15. 4, 9, 25, 49, 121, 169, ...? 225INCORRECT

The square root of 225 isn't prime either :lol:


Thanks for the tip :D

Next number = 289

Re: MATHS QUIZ NO 12 NEXT NUMBER 2

PostPosted: Wed Jul 09, 2008 12:47 pm
by magpie in the 80's
hondo71 wrote:
Pseudo wrote:
magpie in the 80's wrote:
hondo71 wrote:15. 4, 9, 25, 49, 121, 169, ...? 225INCORRECT

The square root of 225 isn't prime either :lol:


Thanks for the tip :D

Next number = 289

correct hondo

Re: MATHS QUIZ NO 12 NEXT NUMBER 2

PostPosted: Wed Jul 09, 2008 1:05 pm
by Baron Greenback
2. 47

Re: MATHS QUIZ NO 12 NEXT NUMBER 2

PostPosted: Wed Jul 09, 2008 2:29 pm
by magpie in the 80's
Chuck Norris wrote:2. 47

correct CN

Re: MATHS QUIZ NO 12 NEXT NUMBER 2

PostPosted: Thu Jul 10, 2008 12:24 pm
by magpie in the 80's
where are the math teachers :shock:

Re: MATHS QUIZ NO 12 NEXT NUMBER 2

PostPosted: Thu Jul 10, 2008 1:25 pm
by Pseudo
7: 111221
8: 70
17: 5047