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Any other way for this problem?

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Any other way for this problem?

by bfman » Tue Jul 21, 2009 2:46 pm
OG 12th Ed. Pg 223. Q 116.

I have already seen the OG method of solving this problem, but when I tried to do this on my own before looking at the solution, I identified a sequence which was sort of adding increasing numbers, +1, +2, +3, +4 etc.

Can this problem be resolved using this sequence. It's just bothering me bcuz I have identified the sequence and can't figure out how to use it to solve the problem. Thanks!
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by ASS1991 » Tue Jul 21, 2009 5:17 pm
Can you post the quenstion?

Thanks :)
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by bfman » Tue Jul 21, 2009 6:17 pm
Yes, here you go. It's in the image attachment bcuz there is a diagram.
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Q116.JPG
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by ghacker » Wed Jul 22, 2009 10:32 am
The answer is , if the number of cities = N

Then the number of dots = N(N-1)/ 2 = 435
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by bfman » Wed Jul 22, 2009 8:23 pm
Thanks! That's what I was looking for. That's the sequence!
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Is this way wrong?

by struggling_guy2001 » Wed Jul 22, 2009 9:59 pm
Hi,

As 5 citites lead to 10 points or 10 dots.. 30 cities will give 60 dots..

Bfman.. can you post the answer choice too...
Anyone from Hyderabad or Telugu speaking community.

Searching for a serious study partner from Hyderabad or the one who work for same Company.
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by bfman » Wed Jul 22, 2009 10:05 pm
Answer is 435.
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