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OG C # 243 A straight pipe 1 yard in length was marked off

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Manager
Joined: 31 Jul 2006
Posts: 235
OG C # 243 A straight pipe 1 yard in length was marked off [#permalink]

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20 Jun 2008, 01:13
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OG C # 243
A straight pipe 1 yard in length was marked off in fourths and also in thirds. If the pipe was
then cut into separate pieces at each of these markings, which of the following gives all
the different lengths of the pieces, in fractions of a yard?
a. 1/6 and 1/4
b. 1/4 and 1/3
c. 1/6, 1/4, 1/3
d. 1/12, 1/6, 1/4
e. 1/12, 1/6, 1/3
Director
Joined: 27 May 2008
Posts: 542
Re: OG C # 243 [#permalink]

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20 Jun 2008, 01:23
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OG C # 243
A straight pipe 1 yard in length was marked off in fourths and also in thirds. If the pipe was
then cut into separate pieces at each of these markings, which of the following gives all
the different lengths of the pieces, in fractions of a yard?
a. 1/6 and 1/4
b. 1/4 and 1/3
c. 1/6, 1/4, 1/3
d. 1/12, 1/6, 1/4
e. 1/12, 1/6, 1/3

Assume the length of the pipe is 12. (we have answer in fractions, we'll do it by dividing it by 12)

Marking lenghts will be at
0,3,4,6,8,9,12

Lenghts of pieces,
3-1-2-2-1-3

SO in fraction we'll have 1/12, 2/12 and 3/12
1/12, 1/6 and 1/4

Re: OG C # 243   [#permalink] 20 Jun 2008, 01:23
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