tag:blogger.com,1999:blog-6241972711325960321.post6361093136548353307..comments2024-03-29T17:13:51.664+08:00Comments on Welcome all!: SMO 2015 (Junior Section) AnswersLim Jeckhttp://www.blogger.com/profile/14770828350235876545noreply@blogger.comBlogger20125tag:blogger.com,1999:blog-6241972711325960321.post-79390945614699759152016-04-17T19:29:19.023+08:002016-04-17T19:29:19.023+08:00This comment has been removed by the author.Anonymoushttps://www.blogger.com/profile/01501748385135071429noreply@blogger.comtag:blogger.com,1999:blog-6241972711325960321.post-28385700889355477452016-04-17T19:29:06.074+08:002016-04-17T19:29:06.074+08:00This comment has been removed by the author.Anonymoushttps://www.blogger.com/profile/01501748385135071429noreply@blogger.comtag:blogger.com,1999:blog-6241972711325960321.post-73276258462955854742015-06-17T23:11:24.037+08:002015-06-17T23:11:24.037+08:00Hi,the namelist for SMO Round 2 is out this aftern...Hi,the namelist for SMO Round 2 is out this afternoon. The following link address shows the list of students who are invited for Junior 2nd round.<br /><br />http://sms.math.nus.edu.sg/competitions/SMO2015/JuniorR2-2015.pdfAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-6241972711325960321.post-27588639087109886332015-06-17T16:39:09.586+08:002015-06-17T16:39:09.586+08:00However equality cannot be achieved.However equality cannot be achieved.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6241972711325960321.post-89835191708302724342015-06-14T18:41:27.781+08:002015-06-14T18:41:27.781+08:00Note that if 81/4 is achieved, then x=9/4, hence 8...Note that if 81/4 is achieved, then x=9/4, hence 81/8+3y^2=9, so y^2=-3/8, i.e. y is not real. Hence 81/4 is <b>wrong</b>. The correct answer is (C) 20 since that is the largest number which yields a real value of y.<br />(Q10)Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6241972711325960321.post-42922359466498585432015-06-14T12:16:04.278+08:002015-06-14T12:16:04.278+08:00I just get 22 points, and wonder whether can into ...I just get 22 points, and wonder whether can into the second round. :((((Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6241972711325960321.post-48456256286075671172015-06-12T10:17:59.884+08:002015-06-12T10:17:59.884+08:00Any idea when will be results declared?
Any idea when will be results declared?<br />Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6241972711325960321.post-18385210698189533332015-06-08T13:42:22.845+08:002015-06-08T13:42:22.845+08:00I get 35 points... Not sure whether can get into s...I get 35 points... Not sure whether can get into second round... Feel very noob :(((Williamnoreply@blogger.comtag:blogger.com,1999:blog-6241972711325960321.post-35939742484421007772015-06-06T09:05:23.033+08:002015-06-06T09:05:23.033+08:00Are all the answers here correct? Cos I get 21 poi...Are all the answers here correct? Cos I get 21 points and do not know whether can get to the next round :((Anonymoushttps://www.blogger.com/profile/05875975245139995539noreply@blogger.comtag:blogger.com,1999:blog-6241972711325960321.post-83857742526314213082015-06-05T16:08:39.774+08:002015-06-05T16:08:39.774+08:00When will the results be released??When will the results be released??Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6241972711325960321.post-40014185133211276692015-06-05T16:07:23.250+08:002015-06-05T16:07:23.250+08:00If I get 13 for round 1, will I get into round 2 o...If I get 13 for round 1, will I get into round 2 or will I at least get a bronze/silver?Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6241972711325960321.post-15694853464892289802015-06-04T15:53:16.080+08:002015-06-04T15:53:16.080+08:00Around 17, I guess. Last year was 14.(This year is...Around 17, I guess. Last year was 14.(This year is a lot easier) Sorry for the 2 stupid mistakes.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6241972711325960321.post-46568357375623632482015-06-04T11:13:44.433+08:002015-06-04T11:13:44.433+08:00What do you think would be be the cop for round 2What do you think would be be the cop for round 2Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6241972711325960321.post-63880733035366102812015-06-04T08:18:56.569+08:002015-06-04T08:18:56.569+08:00What do you think would be the cut-off point for b...What do you think would be the cut-off point for bronze this year?<br />Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6241972711325960321.post-1221811988568304542015-06-03T17:19:18.243+08:002015-06-03T17:19:18.243+08:00Can somebody explain Qn 4, 17, 22, 23, 26, 28, 29,...Can somebody explain Qn 4, 17, 22, 23, 26, 28, 29, 32? Thks a lot. The paper was a headache...Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6241972711325960321.post-55485303226853322662015-06-03T14:41:19.568+08:002015-06-03T14:41:19.568+08:00Q28
I think that the answer should be 400.Q28 <br />I think that the answer should be 400.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6241972711325960321.post-65233484943204388122015-06-03T14:32:51.191+08:002015-06-03T14:32:51.191+08:00Q10.
6y^2=8x-4x^2
10x+6y^2=18x-4x^2
...Q10.<br />6y^2=8x-4x^2<br />10x+6y^2=18x-4x^2<br /> =-(2x-9/2)^2+81/4<br />Therefore the answer is 81/4.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6241972711325960321.post-47006710196817876232015-06-03T14:20:11.933+08:002015-06-03T14:20:11.933+08:00yes, answer for Q19 is 31, instead of 217.yes, answer for Q19 is 31, instead of 217.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6241972711325960321.post-1085648429073588732015-06-03T14:10:02.331+08:002015-06-03T14:10:02.331+08:00I think it's E for Q4.I think it's E for Q4.Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-6241972711325960321.post-53264910825444213232015-06-03T14:05:08.635+08:002015-06-03T14:05:08.635+08:00Question 19 is definitely not 217, since they ask ...Question 19 is definitely not 217, since they ask for biggest prime number. 217 can be divided by 7. My answer is 31.Anonymousnoreply@blogger.com