There are 10 intermediate stations including two junctions A and B .In how many different ways can a metro train have stoppages at 3 different stations such that no two stations are consecutive (including the junctions A and B) ?
(A) 105
(B) 97
(C) 57
(D) 49
(E) 48
Source: https://www.GMATinsight.com
Answer: Option E
There are 10 intermediate stations including two junctions A
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- GMATinsight
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You might want to re-word that question. It's unclear what you're asking.
Cheers,
Brent
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Brent
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Agreed, you'll want to clarify whether one can stop at a junction, and whether the junctions are considered stations or not.