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# A large-size battery pack contains more numbers of batteries and costs

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Joined: 02 Sep 2009
Posts: 58335
A large-size battery pack contains more numbers of batteries and costs  [#permalink]

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22 Oct 2018, 00:21
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Difficulty:

15% (low)

Question Stats:

92% (00:55) correct 8% (01:01) wrong based on 27 sessions

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A large-size battery pack contains more numbers of batteries and costs more than the popularsize battery pack. What is the cost per battery of the large-size battery pack?

(1) The large-size battery pack contains 20 more batteries than the popular-size battery pack.
(2) The large-size battery pack costs \$20.

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Re: A large-size battery pack contains more numbers of batteries and costs  [#permalink]

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22 Oct 2018, 04:27
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Bunuel wrote:
A large-size battery pack contains more numbers of batteries and costs more than the popularsize battery pack. What is the cost per battery of the large-size battery pack?

(1) The large-size battery pack contains 20 more batteries than the popular-size battery pack.
(2) The large-size battery pack costs \$20.

Question: Price of Large size battery pack = ?

Statement 1: The large-size battery pack contains 20 more batteries than the popular-size battery pack.
1) We don't know how many batteries the popular size contains
2) We don't know price of any pack of batteries so
NOT SUFFICIENT

Statement 2: The large-size battery pack costs \$20
We don't know how many batteries does the large size pack contains therefore
NOT SUFFICIENT

Combining the two statements

We still have no idea about how many batteries does a large pack of batteries comntain therefore
NOT SUFFICIENT

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Re: A large-size battery pack contains more numbers of batteries and costs  [#permalink]

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22 Oct 2018, 04:33
A large-size battery pack contains more numbers of batteries and costs more than the popularsize battery pack. What is the cost per battery of the large-size battery pack?

(1) The large-size battery pack contains 20 more batteries than the popular-size battery pack.
(2) The large-size battery pack costs \$20.

From given details for stmnt 1 let popular size battery pack be x, large size would be x+20

We dont know price details of any so negate A/D

for stmnt 2 large size 20\$ but no info about pack details no of batteries etc.. negate B

Combining two statements we Large size price per battery would be ( X+20)/20 but we dont know value of x

So option E.
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Re: A large-size battery pack contains more numbers of batteries and costs   [#permalink] 22 Oct 2018, 04:33
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