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Old Maths Questions

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Senior Manager
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Old Maths Questions [#permalink]

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New post 19 Sep 2008, 11:17
This topic is locked. If you want to discuss this question please re-post it in the respective forum.

Questions are attached, i am not sure of answers........

Lets give a try......
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Re: Old Maths Questions [#permalink]

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New post 19 Sep 2008, 11:53
For the first question,

Answer is E. both are insufficient.

For the Second Question,

1) 1/4 of Total Area

2) 1/6 of Total Area

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Senior Manager
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Re: Old Maths Questions [#permalink]

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New post 19 Sep 2008, 16:41
for first answer is A

tangent is at 90 deg. and anything parallel to it will be perpendicular

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Re: Old Maths Questions [#permalink]

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New post 20 Sep 2008, 00:51
Is there any way (2) can be sufficient for Q1?

BC = BD, which means it is isosceles..
I have a vague notion that a circle inscribed in an isosceles triangle means it is a right angle triangle.

Or is there any way to prove it is insufficient?

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Re: Old Maths Questions   [#permalink] 20 Sep 2008, 00:51
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Old Maths Questions

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