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Monday, August 18, 2008.

头痛头痛！刚才去给了 Chanz 补习，他的三个数学题真的把我给难倒了！我这一生中第一次看到这种题目。=X 还真要命的。

Ok guys, these are the three questions. Can't believe that a young innocent primary 6 kid has to go through all these mind bobbling questions that torture not only their brain cells, but their tution teachers as well. =/ Please do let me know if you have any idea how to do it. I'm seriously stucked. The worst thing of them all is, all three questions just have to do with marbles........ (NOTE: DO NOT attempt to use Algebra to solve it)

Q1
If Adam gives Bobby 13 marbles, he will have the same number of marbles as Bobby. If Bobby gives Adam 17 marbles, the number of marbles he has will be 2/5 that of Adam's. How many marbles does that bloody Bobby has?

Q2
At first, Jon has 2/3 as many marbles as Kevan. After Jon bought another 8 marbles, and Kevan lost 4 marbles, Jon now has 3/4 as many marbles as Kevan. Find the number of stupid marbles Jon had at first.

Q3 (I kinda know how to work this out, but am just not too sure)
Richard, Dan, and Tom shared a bag of GO LI (I'm sick of marbles). Richard recieved 60 GO LI, Tom recieved 25% less GO LI than Dan. Later Richard gave 28 GO LI to be shared by Dan and Tom. As a result, Tom still has 25% fewer Go Li than Dan and the number of GO LI dan recieved increases by 40%. How Many GO LI were in the bag?
"Colourful" World, "Colourful" Life
10:05 PM