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What is the distance from City A to City C in kms?

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Joined: 01 Nov 2017
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What is the distance from City A to City C in kms?  [#permalink]

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New post 14 Feb 2019, 21:14
1
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A
B
C
D
E

Difficulty:

  25% (medium)

Question Stats:

81% (00:31) correct 19% (00:32) wrong based on 21 sessions

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What is the distance from City A to City C in kms?

(A) City A is 90 kms from City B.

(B) City B is 30 kms from City C.



Source: testbook.com
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Re: What is the distance from City A to City C in kms?  [#permalink]

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New post 16 Feb 2019, 00:32
raghavrf wrote:
What is the distance from City A to City C in kms?

(A) City A is 90 kms from City B.

(B) City B is 30 kms from City C.



Source: testbook.com


We have three cities A,B,C.

Now when we look at the first and second option. We are sure they are not individually sufficient. So let's combine them

Now we can have them in more than one order, say

1. A ----- B ------ C

Then from the 2 points, distance between A and C becomes 120 kms.

2. A ------ C ------- B

Then the distance between A and C becomes 60 kms.

So from the same given facts we are getting two different answers. Hence together also they are not sufficient.

Hence E
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Re: What is the distance from City A to City C in kms?   [#permalink] 16 Feb 2019, 00:32
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What is the distance from City A to City C in kms?

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