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If a is an integer greater than 4 but less than 21 and b is an intege

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If a is an integer greater than 4 but less than 21 and b is an intege  [#permalink]

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New post 05 Apr 2017, 03:56
1
00:00
A
B
C
D
E

Difficulty:

  45% (medium)

Question Stats:

61% (02:06) correct 39% (02:03) wrong based on 40 sessions

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If a is an integer greater than 4 but less than 21 and b is an integer greater than 14 but less than 31, what is the range of a/b?

A. 2/3
B. 1/2
C. 5/6
D. 1
E. 7/6

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Re: If a is an integer greater than 4 but less than 21 and b is an intege  [#permalink]

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New post 05 Apr 2017, 04:22
1
1
ziyuen wrote:
If a is an integer greater than 4 but less than 21 and b is an integer greater than 14 but less than 31, what is the range of a/b?

A. 2/3
B. 1/2
C. 5/6
D. 1
E. 7/6


The range of a/b = max(a/b) - min(a/b)
a/b will be max when we select max value for a and min value for b from given range
a/b will be minwhen we select max value for b and min value for a from given range

range of a/b = max(a/b) - min(a/b) = 20/15 - 5/30 = 4/3 - 1/6 = 7/6

Hence option E is correct
Hit Kudos if you liked it 8-)
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Re: If a is an integer greater than 4 but less than 21 and b is an intege   [#permalink] 05 Apr 2017, 04:22
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If a is an integer greater than 4 but less than 21 and b is an intege

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