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Of the 25 cars sold at a certain dealership yesterday, some

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Director
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Of the 25 cars sold at a certain dealership yesterday, some [#permalink]

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New post 09 Sep 2007, 16:25
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Of the 25 cars sold at a certain dealership yesterday, some had Automatic Transmission and some had Antilock Brakes. How many of the cars had Automatic Transmission but not Antilock Brakes?

1. All of the cars that had Antilock Brakes also had Automatic Transmission.
2. 2 of the cars had neither Automatic Transmission nor Antilock Brakes.

- Brajesh

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New post 09 Sep 2007, 23:22
23 = AT only + AB&AT

Insufficient

Ans: E

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New post 10 Sep 2007, 04:10
This is always my weak area in Math

Correct me if my approach is wrong guys

25 = n(AT) + n(AB) -n(AT and AB) + None

Given in A is n(AT) = n(AB)

So InSuff

From (B) None = 2

So combining both

23 = 2*n(AT) -n(AT and AB)

Hence Insuff

E

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Re: DS - AT & AB [#permalink]

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New post 10 Sep 2007, 05:26
As per st.1
Cars with AT could have (a) AB or (b) no AB - so insuff.
St. 2 says about the (b), but no information can be deduced about (a).
Ans. - E

Regards.
b14kumar wrote:
Of the 25 cars sold at a certain dealership yesterday, some had Automatic Transmission and some had Antilock Brakes. How many of the cars had Automatic Transmission but not Antilock Brakes?

1. All of the cars that had Antilock Brakes also had Automatic Transmission.
2. 2 of the cars had neither Automatic Transmission nor Antilock Brakes.

- Brajesh

Kudos [?]: 3 [0], given: 1

Director
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Posts: 901

Kudos [?]: 118 [0], given: 0

 [#permalink]

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New post 10 Sep 2007, 06:09
Thanks guys...

OA is E.

- Brajesh

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New post 10 Sep 2007, 07:51
E

Setting up equations, you really cant solve for any of the values.

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Re: Of the 25 cars sold at a certain dealership yesterday, some [#permalink]

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New post 03 Aug 2017, 00:52
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Re: Of the 25 cars sold at a certain dealership yesterday, some   [#permalink] 03 Aug 2017, 00:52
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