Sample of Some Local Chinese Math Olympiad Questions

  Since, (i) 30 – 20 = 10 (ii) 30 + 20 = 50 You either have 10…

Question How many real roots does the following equation have: x^5 + 7*x^3 + 3*x + 2 =…

  I think it’s like this (I could be wrong): Let t = time taken by the “blue”…

Question What is the range of the function f ( x ) = xsquared + 4 when the…