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 By: sundarshoba (offline)  Sunday, August 12 2012 @ 04:40 PM CDT (Read 853 times)
sundarshoba

Please assist to solve the attached Questions, thks

Chatty

Registered: 12/31/06
Posts: 53

 By: echeewh (offline)  Thursday, August 16 2012 @ 08:34 PM CDT
echeewh

Hi Sundar,

May I know Q6 comes from which school paper? And also wondering what the actual diagram looks like. Based on what can be observed, isnt the answer pretty obvious? And do you also have the Answerkey for that?

Following pls find my worked solution for your Q15:

Q15

D1 - 319 tiles
D2-8: Equal tiling
From D5-8: (7/15) hall is incomplete.
Given equal tiles were used from D5-8, we have ...

4u --> (7/15) hall
1u --> (7/15) รท 4 = (7/60)

D2-8: 7u --> 7 x (7/60) = (49/60)

So in D1, we have ...

(60/60) - (49/60) = (11/60) hall was completed.

We have ...

(11/60) --> 319
(60/60) --> 319 x (60/11) = 1740

========================

Trust this helps.

Do let me know again if there 's further clarification.

Cheers,
Edward

Active Member

Registered: 04/21/11
Posts: 627

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