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Prior to going Junior College, we always hold JC talks at various location to discuss with post O-levels students what to expect in JC. So many were confused with H1 Mathematics and H2 [...]

The average of 999 numbers is 999. From these numbers, I chose 729 of them and their average is 729. Find the average of the remaining numbers? Hint: Try to use algebra. Ans = 1728 Arithmetic [...]

Many of my ex-students know that I send them this link post A-level. Prior to 2012, it was a link to a shared pdf that contains the suggested solutions that I rushed out, for both paper 1 and 2, [...]

These series of questions target on students’ abilities to solve it. They are common questions used in job interviews and interviewers are more interested in learning how the interviewee [...]

All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions. Please kindly comment at the specific questions should you have any questions.

All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions. (i) Equation of tangent: (ii) Tangent at P: Tangent at Q: Since , (iii) [...]

All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions. (i) Since , where (ii) (iii) (iv) Consider , then Let , so and , then KS [...]

All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions. (i) Let P(n) be the preposition When , P(1) is true. Assume the P(k) is [...]

All solutions here are SUGGESTED. Mr. Teng will hold no liability for any errors. Comments are entirely personal opinions. (i) Since (ii) (iii) KS Comments: This is a question that tests student [...]

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 [...]