Form 5 Revision PART B's FULL SOLUTION

Hey Guys, i wanna challenge you all ! Mark Down your Time and see how fast you can go!
I complete the 4 graph in less than 20 mins. (Exact Timing : 18 mins +) try it out !

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Part A's Full Solution
http://ttcmaths.blogspot.com/2014/04/form-5-revision-part-as-full-solution.html

Part B's Full Solution

Liang J