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50 tricky questions

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50 tricky questions [#permalink]

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New post 17 Apr 2010, 09:02
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Hi all,

I have find the attached maths questions really challenging and many of these require you to think with pen and paper. These are provided with explanations.

So try them.

Regards.
Attachments

GMAT-Maths-Tough-Problems.pdf [329.02 KiB]
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Quantz-50-Tricky-Questions.pdf [173.73 KiB]
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Want to improve your CR: http://gmatclub.com/forum/cr-methods-an-approach-to-find-the-best-answers-93146.html
Tricky Quant problems: http://gmatclub.com/forum/50-tricky-questions-92834.html
Important Grammer Fundamentals: http://gmatclub.com/forum/key-fundamentals-of-grammer-our-crucial-learnings-on-sc-93659.html


Last edited by ykaiim on 26 Apr 2010, 00:55, edited 1 time in total.

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Re: 50 tricky questions [#permalink]

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New post 23 Apr 2010, 12:21
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thanks a lot, these will be good puzzles to crack!

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Re: 50 tricky questions [#permalink]

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New post 25 Apr 2010, 03:51
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Hello Friend,
Thank you for these Questions and Solutions This will help a lot. Again Thanks for sharing this over here.....

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Re: 50 tricky questions [#permalink]

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New post 25 Apr 2010, 04:01
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Great ... thanks a lot.

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Re: 50 tricky questions [#permalink]

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New post 25 Apr 2010, 07:00
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58 downloads and 1 kudo!! Amazing. :(

Any how thanks for your dedication. & +1 from me.

BTW, what's the source of these questions?
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Re: 50 tricky questions [#permalink]

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New post 25 Apr 2010, 07:26
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I dont know the exact source. But, my friend sent to try this. I find it useful to uploaded.
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Want to improve your CR: http://gmatclub.com/forum/cr-methods-an-approach-to-find-the-best-answers-93146.html
Tricky Quant problems: http://gmatclub.com/forum/50-tricky-questions-92834.html
Important Grammer Fundamentals: http://gmatclub.com/forum/key-fundamentals-of-grammer-our-crucial-learnings-on-sc-93659.html

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Re: Tricky questions [#permalink]

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New post 25 Apr 2010, 10:47
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Here is another set on another 123 tricky questions covering allmost all topics in PS and DS.

If you have any doubt then please bring it on the forum. Lets analyse together.
Attachments

GMAT-Maths-Tough-Problems.pdf [329.02 KiB]
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Want to improve your CR: http://gmatclub.com/forum/cr-methods-an-approach-to-find-the-best-answers-93146.html
Tricky Quant problems: http://gmatclub.com/forum/50-tricky-questions-92834.html
Important Grammer Fundamentals: http://gmatclub.com/forum/key-fundamentals-of-grammer-our-crucial-learnings-on-sc-93659.html

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Re: 50 tricky questions [#permalink]

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New post 26 Apr 2010, 06:05
Thanks for sharing :)

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Re: 50 tricky questions [#permalink]

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New post 27 Apr 2010, 08:08
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Thanks one KUDOs to you .

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Re: 50 tricky questions [#permalink]

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New post 30 Apr 2010, 23:25
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These are really good questions. Thanks for sharing!

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Re: 50 tricky questions [#permalink]

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New post 01 May 2010, 06:05
Hi thanks for sharing, I will take a look

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Re: 50 tricky questions [#permalink]

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New post 01 May 2010, 08:38
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Thanks for the questions..Kudos.

By the way, I don't agree with the answer to question 1.

You said n=79, but if n=79 then we would have:
2+4+6+8+....+78 = 2(1+2+3+4+....+39) = 2 (39*40/2) = 39*40.

Ithink the answer should be 159.

2+4+6+...+158 = 2(1+2+3+..+79) = 2(79*80/2) = 79*80.


were are the answers from?

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Re: 50 tricky questions [#permalink]

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New post 01 May 2010, 08:44
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Hi,

You are correct. Even I have noticed this error before.

If you have some more issues then you can search on GmarClub. Almost all difficult ones are discussed.
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Want to improve your CR: http://gmatclub.com/forum/cr-methods-an-approach-to-find-the-best-answers-93146.html
Tricky Quant problems: http://gmatclub.com/forum/50-tricky-questions-92834.html
Important Grammer Fundamentals: http://gmatclub.com/forum/key-fundamentals-of-grammer-our-crucial-learnings-on-sc-93659.html

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Re: 50 tricky questions [#permalink]

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New post 02 May 2010, 04:38
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Thanks.Back to Gmat studying...

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Re: 50 tricky questions [#permalink]

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New post 02 May 2010, 08:58
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helpful post...Thanks

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Re: 50 tricky questions [#permalink]

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New post 02 May 2010, 10:25
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Thanks for sharing..... Kudos!
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If you like my post, consider giving me a kudos. THANKS!

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Re: 50 tricky questions [#permalink]

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New post 02 May 2010, 10:32
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Thanks but dont forget to press the KUDOS button 8-)
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Want to improve your CR: http://gmatclub.com/forum/cr-methods-an-approach-to-find-the-best-answers-93146.html
Tricky Quant problems: http://gmatclub.com/forum/50-tricky-questions-92834.html
Important Grammer Fundamentals: http://gmatclub.com/forum/key-fundamentals-of-grammer-our-crucial-learnings-on-sc-93659.html

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Re: 50 tricky questions [#permalink]

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New post 07 May 2010, 03:53
Thanks for this question list.I will try out this.

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Re: 50 tricky questions [#permalink]

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New post 09 May 2010, 15:20
thanks for the material

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Re: 50 tricky questions [#permalink]

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New post 13 May 2010, 22:33
Kudos!! :) thank u...

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Re: 50 tricky questions   [#permalink] 13 May 2010, 22:33

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