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mode problem

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by pradeepkaushal9518 » Tue Jun 01, 2010 2:39 am
in a set of A consecutive integers ,which of the following cannot be true?
1.the median is equal to the mean.
2.the mean equals to zero
3.the median is equal to the mode.

A 1 only
B 1 and 2 only
C.2 only
D.2 and 3 only
E.3 only
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Source: — Data Sufficiency |
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by selango » Tue Jun 01, 2010 3:24 am
Consider A as below,

A={1,2,3}

A={1,2,3,4}

A={-1,0,1}

From the first 3 sets we can prove median is equal to mean.

From third set we can prove mean equal to zero

Mode means repeating integers that occurs mist frequently in the list.Since the set is consecutive integers,mode is not possible.

So option B is correct
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by agganitk » Tue Jun 01, 2010 4:03 am
E should be the answer.
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by pradeepkaushal9518 » Tue Jun 01, 2010 4:05 am
aggantik please can u explain
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by selango » Tue Jun 01, 2010 4:09 am
oh my silly mistake

The answer should be E only.The question is to select the option which is not correct.
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