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Thinking@TheCulture is a series of questions that we, as tutors feel that are useful in helping students think and improve their understanding. Thinking Math@TheCulture is curated by KS. More of [...]

My brother shared this interesting video with me a few days back when he was at the screening for The Man Who Knew Infinity. I’m looking forward to watching this movie too! Back to the [...]

All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions. (i) Depth drilled on the 10th day Total depth (ii) Thus, it takes 40 [...]

All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions. (i) Using the graphing calculator, smallest n = 24. Thus, Mrs A’s [...]

All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions. (i) Since we have a geometric progression, (ii) . Thus, the length [...]

All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions. (i) (a) Required Distance (b) Required Expression To finish at least [...]

This is a question from A-level 1999 Paper 1. A very simple question that tests you if you know your stuffs. 🙂 The term of a series is . Find the sum of the first terms. Ans:

The following is a good APGP practice question from AJC. Personally, I feel that its well set and tests students on their concepts and understanding. Mary has a monthly income of 40,000 for 6 [...]