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Francie is planning a trip from City A to City D, during which she wil

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Senior Manager
Joined: 18 Jun 2018
Posts: 264
Francie is planning a trip from City A to City D, during which she wil  [#permalink]

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14 Oct 2018, 03:42
1
00:00

Difficulty:

5% (low)

Question Stats:

97% (00:47) correct 3% (01:00) wrong based on 45 sessions

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Francie is planning a trip from City A to City D, during which she will pass through both City B and City C. If there are two possible routes she could take from A to B, three possible routes she could take from B to C, and two possible routes she could take from C to D, how many possible routes could she take from A to D?

(A) 6
(B) 7
(C) 12
(D) 14
(E) 36
Director
Joined: 20 Feb 2015
Posts: 795
Concentration: Strategy, General Management
Re: Francie is planning a trip from City A to City D, during which she wil  [#permalink]

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14 Oct 2018, 07:07
[quote="Bismarck"]Francie is planning a trip from City A to City D, during which she will pass through both City B and City C. If there are two possible routes she could take from A to B, three possible routes she could take from B to C, and two possible routes she could take from C to D, how many possible routes could she

A to B => 2
B to C => 3
C to D => 2

from A to D in 2*3*2 = 12 ways
Manager
Joined: 24 Dec 2017
Posts: 182
Location: India
Concentration: Strategy, Real Estate
Schools: Johnson '21
Re: Francie is planning a trip from City A to City D, during which she wil  [#permalink]

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15 Oct 2018, 02:18
1
A<=====b====c====>D

A<==>B = 2 Routes
B<==>C = 3 Routes
C<==>D = 2 Routes

Total ways = 2 x 3 x 2 = 12 ways

IMO C
Re: Francie is planning a trip from City A to City D, during which she wil   [#permalink] 15 Oct 2018, 02:18
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