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gmatpret..help me solve this

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gmatpret..help me solve this [#permalink] New post 03 Jul 2010, 06:48
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Can someone help me solve this...please..

which of the following is equal to the value of 2^5+2^5+3^5+3^5+3^5.

a)5^6
b)13^5
c)2^6+3^6
d)2^7+3^8
e)4^5+9^5

thanks
[Reveal] Spoiler: OA
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Re: gmatpret..help me solve this [#permalink] New post 03 Jul 2010, 06:53
To solve this, you factor the 2^5+2^5 as 2(2^5). This is basically 2^1*2^5 which is equal to 2^6. The second part is 3(3^5) which is 3^6, so the answer is C, 2^5+3^6.
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Re: gmatpret..help me solve this [#permalink] New post 03 Jul 2010, 06:54
To solve this, you factor the 2^5+2^5 as 2(2^5). This is basically 2^1*2^5 which is equal to 2^6. The second part is 3(3^5) which is 3^6, so the answer is C, 2^5+3^6.
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Re: gmatpret..help me solve this [#permalink] New post 03 Jul 2010, 08:28
ahh I see..thanks...

So is below the same principle as I understood ,

e.g. for the case of 4^5+4^5= 2(4^5)=2^11 ???
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Re: gmatpret..help me solve this [#permalink] New post 03 Jul 2010, 08:29
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Yup! Exactly! :)
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Re: gmatpret..help me solve this [#permalink] New post 04 Jul 2010, 01:00
Sure thing ;)
Re: gmatpret..help me solve this   [#permalink] 04 Jul 2010, 01:00
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