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1/1/2 + 2/2/3 + 3/3/4 =

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Joined: 01 Sep 2010
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1/1/2 + 2/2/3 + 3/3/4 =  [#permalink]

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New post 12 Jul 2018, 09:57
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Question Stats:

98% (00:32) correct 3% (00:21) wrong based on 40 sessions

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\(\frac{1}{\frac{1}{2}} + \frac{2}{\frac{2}{3}} + \frac{3}{\frac{3}{4}}\) \(=\)

A. \(\frac{1}{9}\)

B. \(\frac{13}{12}\)

C. \(\frac{29}{12}\)

D. \(8\)

E. \(9\)

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Re: 1/1/2 + 2/2/3 + 3/3/4 =  [#permalink]

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New post 12 Jul 2018, 10:03
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\(\frac{1}{\frac{1}{2}} + \frac{2}{\frac{2}{3}} + \frac{3}{\frac{3}{4}}\) \(=\)

= 2 + \(\frac{6}{2}\) + \(\frac{12}{3}\)


= 2 + 3 + 4

= 9
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1/1/2 + 2/2/3 + 3/3/4 =  [#permalink]

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New post 12 Jul 2018, 10:04
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carcass wrote:
\(\frac{1}{\frac{1}{2}} + \frac{2}{\frac{2}{3}} + \frac{3}{\frac{3}{4}}\) \(=\)

A. \(\frac{1}{9}\)

B. \(\frac{13}{12}\)

C. \(\frac{29}{12}\)

D. \(8\)

E. \(9\)



\(\frac{1}{\frac{1}{2}} + \frac{2}{\frac{2}{3}} + \frac{3}{\frac{3}{4}}\) ..

\(\frac{1}{\frac{1}{2}}=\frac{1*2}{1}=2 ...... \frac{2}{\frac{2}{3}}=\frac{2*3}{2}=3 ..... \frac{3}{\frac{3}{4}}=\frac{3*4}{3}=4\).....

So, \(\frac{1}{\frac{1}{2}} + \frac{2}{\frac{2}{3}} + \frac{3}{\frac{3}{4}}\) \(=2+3+4=9\)

E
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1) Absolute modulus : http://gmatclub.com/forum/absolute-modulus-a-better-understanding-210849.html#p1622372
2)Combination of similar and dissimilar things : http://gmatclub.com/forum/topic215915.html
3) effects of arithmetic operations : https://gmatclub.com/forum/effects-of-arithmetic-operations-on-fractions-269413.html


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1/1/2 + 2/2/3 + 3/3/4 = &nbs [#permalink] 12 Jul 2018, 10:04
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