Tuesday 4 June 2013

SMO 2013 (Junior Section) Answers

SMO 2013 Junior Special Round Participants List

SMO 2013 Junior Questions and Solutions

SMO 2013 (Junior Section) Answers

1. D
2. B
3. A
4. B
5. D
6. B
7. D
8. C
9. D
10. D
11. 10000
12. 3
13. 1822
14. 108
15. 20
16. 60
17. 1041
18. 125
19. 6
20. 4
21. 8052
22. 10
23. 55
24. 19
25. 18
26. 48
27. 12
28. 208
29. 10571
30. 3
31. 75
32. 221
33. 62
34. 1648
35. 64

Credits to Clarence Chew and Lim Jeck, for providing and checking the answers, respectively.

SMO (Junior) Previous Years' Cut-off Points (Inclusive of Round 2 scores)
Updated: 2013 Gold (27), Silver (11), Bronze (10), HM (9), Top 30 (~50)
2012 Gold (17), Silver (8), Bronze (6), HM (5), Round 2 (8)
2011 Gold (12), Silver (9), Bronze (7), HM (6), Round 2 (11), Top 30 (~34)
2010 Gold (24), Silver (9), Bronze (8), HM (5)
2009 Gold (11), Silver (7), Bronze (6), HM (5)
2008 Gold (23), Silver (14), Bronze (11), HM (10)
2007 Gold (20), Silver (14), Bronze (11), HM (10)

8 comments:

Sec1 guy said...

Q29 isn't it 10511?
501 + 10010?

Not entirely sure...

Anonymous said...

erm...I think it is 501+10070 (Q29)...

Anonymous said...

Hello Jack,

do you have the full work solutions for Qn11 to 35 ?

when the results will announce?

thanks.

RI guy said...

What is solution to Q28? I got a different answer.

Anonymous said...

Question 21:

8052 is wrong. It is not a perfect square.

x1 and x2 are real numbers.

It should be 8836.

:D said...

are there answers for round 2 junior for 2013? :D

Anonymous said...

hi, the cut-off for top 30 is 47 and the cut-off for round 2 is 25-26

Soyuz Nerushimy said...

x1 and x2 are real numbers but not necessarily integers (Q21)