Civil Services 2017_Qn A 76,77,78, Eight railway stations A, B, C, D, E, F, G and H are connected...
Автор: Abdus CSAT MATH
Загружено: 2020-06-24
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Directions for the following 3 (three) items: Consider the given information and answer the three items that follow.
Eight railway stations A, B, C, D, E, F, G and H are connected either by two-way passages or one-way passages. One-way passages are from C to A, E to G, B to F, D to H, G to C, E to C and H to G. Two-way passages are between A and E, G and B, F and D, and E and D.
A76) While travelling from C to H, which one of the following stations must be passed through?
(a) G (b) E
(c) B (d) F
A77) In how many different ways can a train travel from F to A without passing through any station more than once?
(a) 1 (b) 2
(c) 3 (d) 4
A78) If the route between G and C is closed, which one of the following stations need not be passed through while travelling from H to C?
(a) E (b) D
(c) A (d) B
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