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by [email protected] » Mon Mar 02, 2009 12:28 pm
During a single footrace, 6 of the 14 competitors held the lead for some period of time. If 4 of the leaders wore black shoes and 9 people wore white shoes, how many of the people who never lead wore white shoes if everyone wore either black or white shoes?


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by cramya » Mon Mar 02, 2009 2:11 pm
Either there is something wrong with this question or the OA given.

I get 7 with the way the question is worded. Please check the question in entirety.

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by dendude » Mon Mar 02, 2009 2:23 pm
I get 7 as well.

Total Competitors : 9 with white shoes and (14-9) = 5 with black shoes
Among Leaders: 4 with black shoes, implies 2 with white shoes
Therefore among the non-leaders were, (5-4)=1 with black shoes and (9-2)=7 with white shoes.
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by naaga » Tue Mar 03, 2009 12:45 am
what is the source of this question ?
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