Wednesday, 5 June 2013

SMO 2013 (Open Section) Answers

SMO 2013 Open Special Round Participants List

SMO 2013 (Open) Questions

SMO 2013 (Open Section) Answers

1. 12877
2. 1
3. 3
4. 20
5. 81
6. 2
7. 240
8. 135
9. 75
10. 6
11. 2
12. 5
13. 120
14. 150
15. 106
16. 32
17. 67
18. 3
19. 1
20. 1611
21. 10
22. 13
23. 76
24. 97344
25. 64

All answers are provided by Lim Jeck.

SMO (Open) Previous Years' Cut-off Points (Inclusive of Round 2 scores)
Updated: 2013 Gold (26), Silver (13), Bronze (10), HM (9), Top 30 (28)
2012 Gold (21), Silver (8), Bronze (6), HM (5), Round 2 (8)
2011 Gold (18), Silver (9), Bronze (6), HM (5), Round 2 (9)
2010 Gold (38), Silver (9), Bronze (6), HM (5)
2009 Gold (27-29), Silver (9), Bronze (6), HM (5)
2008 Gold (27), Silver (11), Bronze (10), HM (6)
2007 Gold (19-20), Silver (9), Bronze (6), HM (5)
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6 comments:

  1. Kapok Roy5 June 2013 at 14:14

    This comment has been removed by the author.

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  2. LL5 June 2013 at 14:57

    for Qn 15

    0 1 2 3 4 5 6 7
    mod 3
    0 1 2 0 1 2 0 1

    3 digit number can be made of:
    (3 "0"s), (3 "1"s), (3 "2"s), (1 of each)

    if (3 "0"s) then digits are 036, total 2x2=4

    if (3 "1"s) then digits are 147, total 3x2=6

    if (3 "2"s) then digits are 25, hence not possible

    if (1 each) and the number 0 is not used, then ways to choose digits is 2x3x2=12, ways to arrange them is 12x3x2=72

    if (1 each) and the number 0 is used, then ways to choose digits is 3x2=6, ways to arrange them is 6x2x2=24

    total=4+6+72+24=106

    ReplyDelete
  3. SingaporeMemoryProject5 June 2013 at 18:52

    Dear Ng Bee Yong,

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    The Singapore Memory Project (SMP) is a national initiative to collect, preserve and provide access to Singapore’s knowledge materials. Spearheaded by NLB, the SMP aims to build a national collection of content in diverse formats (including print, audio and video), to preserve them in digital form, and make them available for discovery and research.

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    583 Orchard Road #14-02 Forum The Shopping Mall S(238884), Singapore
    |w: www.simulation.com.sg

    ReplyDelete
  4. Anonymous5 June 2013 at 23:48

    I got 10correct

    ReplyDelete
  5. Anonymous11 June 2013 at 14:26

    Are the solutions discussed anywhere? I can't figure the last few on my own.

    ReplyDelete
  6. Anonymous23 September 2013 at 17:55

    Round 2 cutoff this year is either 14 or 15

    ReplyDelete