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Sunday, November 19 2017 @ 11:38 AM CST
 Forum Index >  Test Paper Related >  Primary 6 Matters
 P6 Nanyang 2011 CA1 Paper 1 Q29
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By: bigboy168123 (offline)  Friday, February 17 2012 @ 08:50 PM CST (Read 1005 times)  
bigboy168123

Need your help to solve the above question. Thanks in advance.

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By: awyw1201 (offline)  Friday, February 17 2012 @ 10:58 PM CST  
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1st box on the left

Multiply top left with bottom right----5 x 2a =10a
Multiply top right with bottom left---4 x 5a = 20a

Middle box

Multiply top left with bottom right----10b x 2 = 20b
Multiply top right with bottom left---b x 40 = 40b

Thus, 6 x 5c = 30c
2 x ? = 60c
? = 60c/2 = 30c

Ans: 30c


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By: bigboy168123 (offline)  Friday, February 17 2012 @ 11:02 PM CST  
bigboy168123

Quote by: awyw1201

1st box on the left

Multiply top left with bottom right----5 x 2a =10a
Multiply top right with bottom left---4 x 5a = 20a

Middle box

Multiply top left with bottom right----10b x 2 = 20b
Multiply top right with bottom left---b x 40 = 40b

Thus, 6 x 5c = 30c
2 x ? = 60c
? = 60c/2 = 30c

Ans: 30c


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Thanks for the help.

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