kind of olympiad

JEE Advanced 2015 Sample Questions › Olympiad Stuff questions › kind of olympiad

A conference has 47 people attending. One woman knows 16 of the men who are attending, another knows 17, and so on up to the m-th woman who knows all n of the men who are attending. Find m and n.

#Mathematics #Olympiad Stuff

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6 Answers

9

Celestine preetham ·2009-05-29 07:58:46

16 ,31

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39

Dr.House ·2009-05-29 07:59:54

yes.

The first woman knows that 1+15th, the second knows the 2+15th, and the mth knows the m+15th. Therefore, n = m+15. Also, m+n=47, so m+m+15=47, and 2m=32, so m = 16 and n = 31.

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9

Celestine preetham ·2009-05-29 08:01:43

kind of olympiad ??

i used to do these in 5th std lolzzzzz

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39

Dr.House ·2009-05-29 08:03:28

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9

Celestine preetham ·2009-05-29 08:04:47

laughin or cryin [17]

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39

Dr.House ·2009-05-31 19:20:39

2 in one dude. laughing because i called it olympiad kinda.

crying because these were so trivial to be called so.

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