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GRE Prep Club Team Member
Joined: 20 Feb 2017
Posts: 2508
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How many multiples of 11 are there between 55 and 144, exclusive?
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18 Mar 2021, 05:30
18 Mar 2021, 05:30
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How many multiples of 11 are there between 55 and 144, exclusive?
A. 5
B. 6
C. 7
D. 8
E. 9
A. 5
B. 6
C. 7
D. 8
E. 9
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How many multiples of 11 are there between 55 and 144, exclusive?
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18 Mar 2021, 06:38
18 Mar 2021, 06:38
GeminiHeat wrote:
How many multiples of 11 are there between 55 and 144, exclusive?
A. 5
B. 6
C. 7
D. 8
E. 9
A. 5
B. 6
C. 7
D. 8
E. 9
\(66\) to \(143\)
\((11)(6)\) to \((11)(13)\)
Numbers from \(6\) to \(13\) inclusive = \(13 - 6 + 1 = 8\)
Hence, option D
Alternate Approach:
For inclusive; \(\frac{(143 - 66)}{11} + 1 = 8\)
Re: How many multiples of 11 are there between 55 and 144, exclusive?
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17 Apr 2024, 10:12
17 Apr 2024, 10:12
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