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Someone posted the following question on the cbox: A student divides an integer m by a positive integer n, where n<=100 and claims that ...

I could only do 4.5 questions and at least 6 people could do all 5. So I failed. I did qns 1,2,3 in 1.5 hours and qn 5 in 1 hour, and I work...

It was raining very heavily this morning so we were almost late. All the questions were trivial except for maybe question 5 which I don'...

Mouth-watering agar agar prepared by Melissa and Angela. Glutinous rice, tao suan and spaghetti prepared by my mother. Cupcakes pr...

Too lazy to blog. Some of the photos were taken from Ding Yue's facebook. Back of SIMO t-shirt. It says 'SIMO' at the top - t...

Contributed by 'NAMELESS', 'hz' and some other random people (thank you!). I have done the remaining 8 or so questions. 1. ...

I think the following answers are correct, with inputs from NUS High and RI friends. Anyone knows of other answers please let me know. 1. 5...

My sister and I took the SMO(Senior) today. We checked our answers and with some inputs from NUS High and RI friends, I think these are the ...

My father bought an iPad. It was shipped from US and we received it yesterday. I think it costs US$7xx (about S$1000). We downloaded many fr...

My semestral GPA is 4.6 (max is 5). I did badly for Fine Art. I look forward to dropping this subject in 1.5 years' time. For Year 5 ...

The results for the Singapore National Team for 51st International Mathematical Olympiad were released today. Out of the 6 participants sele...

I think The Art of Problem Solving is the best resource for Maths problem solving. You can also train your quick thinking by playing Maths ...

I took the Singapore IMO National Team Selection Test yesterday and today. It was like the IMO format i.e. 3 questions to be done in 4.5 hrs...

Another question posted on the cbox: A travelled from Town P to Q. B travelled from Town Q to P. They started at the same time. They met e...

Someone posted the following question from SMOPS 2010 in the cbox: s=1/((1/2001)+(1/2002)+(1/2003)+(1/2004)+(1/2005)+(1/2006)+(1/2007)+(1/...

The 2010 SIMO National Team Selection test is here again. It will be held on 1 May (Sat, Labour Day where our brains have to labour much) a...

Yesterday was my paternal grandmother's birthday. We had ala carte buffet dinner at the Dragon Gate Restaurant. I was slightly late as I...

I took part in the NJC maths challenge yesterday. I met some people from the national training team - 4 from RI, 1 from RGS and 2 from HCI. ...

This post is written by my mother. 从妈妈的生病到她的逝世，我深深地体会到“人生不如意之事，常之八九”这句话的含义。一个人的一生中，不知要伤心欲绝和痛苦难耐多少次。我指的伤心事是，当亲人逝世（你能想象有几次吗？父母、叔伯婶姨、朋友、兄姐。。。...