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Which of the following does NOT have a remainder of 7 when divided by
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22 May 2020, 07:55
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Which of the following does NOT have a remainder of 7 when divided by 9 ?
A. 61
B. 88
C. 106
D. 115
E. 134
PS21173
A. 61
B. 88
C. 106
D. 115
E. 134
PS21173
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Joined: 12 Sep 2015
Posts: 6817
Given Kudos: 799
Location: Canada
Re: Which of the following does NOT have a remainder of 7 when divided by
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22 May 2020, 08:03
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Bunuel wrote:
Which of the following does NOT have a remainder of 7 when divided by 9 ?
A. 61
B. 88
C. 106
D. 115
E. 134
PS21173
A. 61
B. 88
C. 106
D. 115
E. 134
PS21173
NOTE: this is one of those questions that require us to check/test each answer choice. In these situations, always check the answer choices from E to A, because the correct answer is typically closer to the bottom than to the top.
For more on this strategy, see my article: https://www.gmatprepnow.com/articles/han ... -questions
E) 134
134 divided by 9 equals 14 with remainder 8
Answer: E
Cheers,
Brent
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Re: Which of the following does NOT have a remainder of 7 when divided by
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22 May 2020, 08:07
No. Leaving remainder of 7 when divided by 9 are; 7,(7+9),(7+9(2)),(7+9(3))....... Or 7+9(n).....
7,16,25,34,43,52
A) 61 = 7 + 9(n)
=> 54/9 = 6 (correct)
B) 88 = 7 + 9(n)
=> 81/9 = 9
C) 106 = 7 + 9(n)
=> 99/9 = 11 (correct)
D) 115 = 7 + 9(n)
=> 108/9 = 12 (correct)
E) 134 = 7 + 9(n)
=> 127/9 = 14.11 (incorrect)
E is the answer.
Posted from my mobile device
7,16,25,34,43,52
A) 61 = 7 + 9(n)
=> 54/9 = 6 (correct)
B) 88 = 7 + 9(n)
=> 81/9 = 9
C) 106 = 7 + 9(n)
=> 99/9 = 11 (correct)
D) 115 = 7 + 9(n)
=> 108/9 = 12 (correct)
E) 134 = 7 + 9(n)
=> 127/9 = 14.11 (incorrect)
E is the answer.
Posted from my mobile device