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Which of the following is equal to the value of 2^5 + 2^5 +

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Which of the following is equal to the value of 2^5 + 2^5 + [#permalink] New post 07 Mar 2008, 01:53
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A
B
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D
E

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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
[Reveal] Spoiler: OA

Last edited by Bunuel on 12 Jul 2014, 09:53, edited 1 time in total.
Renamed the topic, edited the question, added the OA and moved to PS forum.
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Re: Which of the following is equal to the value of 2^5 + 2^5 + [#permalink] New post 07 Mar 2008, 02:10
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2^5 + 2^5 + 3^5 + 3^5 + 3^5
= 2 (2^5) + 3 (3^5)
= 2^1 (2^5) + 3^1 (3^5)
= 2^(1+5) + 3^(1+5)
= 2^6 + 3^6

Ans: C
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Which of the following is equal to the value of 2^5 + 2^5 + [#permalink] New post 24 Jul 2013, 17:07
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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

Last edited by Bunuel on 12 Jul 2014, 09:52, edited 2 times in total.
Renamed the topic and edited the question.
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Re: Which of the following is equal to the value of 2^5 + 2^5 + [#permalink] New post 24 Jul 2013, 20:38
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Rs1991 wrote:
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



(2^5+2^5) + (3^5+3^5+3^5)
= 2*2^5 + 3*3^5 (You have two 2^5 so you club them as 2*2^5. Similarly for 3)
= 2^6 + 3^6
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Which of the following is equal to the value of 2^5 + 2^5 + [#permalink] New post 25 Jul 2013, 01:01
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Expert's post
Rs1991 wrote:
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


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Re: Which of the following is equal to the value of 2^5 + 2^5 + [#permalink] New post 12 Jul 2014, 06:28
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Re: Which of the following is equal to the value of 2^5 + 2^5 +   [#permalink] 12 Jul 2014, 06:28
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