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What could be the values of integers from 80 to 150, inclusive, that l
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06 Nov 2023, 00:19
06 Nov 2023, 00:19
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Question Stats:
63% (01:59) correct
36% (03:00) wrong based on 11 sessions
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What could be the values of integers from 80 to 150, inclusive, that leave the remainder 1 when divided by 12 and by 8?
Indicate all possible integers.
(A) 97
(B) 109
(C) 121
(D) 129
(E) 145
(F) 149
Indicate all possible integers.
(A) 97
(B) 109
(C) 121
(D) 129
(E) 145
(F) 149
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Free Materials for the GRE General Exam - Where to get it!!
GRE Geometry Formulas
GRE - Math Book
Re: What could be the values of integers from 80 to 150, inclusive, that l
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06 Nov 2023, 04:51
06 Nov 2023, 04:51
1
The correct answers are A, C and E. We are searching for the numbers that leave 1 as a result. We have to consider that the number must be divided both for 12 and 8, in fact some numbers could be good for the first one, but not for the second one.
To obtain 1 as a reminder, we must search for the number right after the zero reminder. Starting from 80, the 81 is not good for the 12, by the way, continuing to sum 8, the first one correct is 97 (just because 87 is not good for 12 again). After all, the 3 numbers that respect the instructions, are 97, 121 and 145.
To obtain 1 as a reminder, we must search for the number right after the zero reminder. Starting from 80, the 81 is not good for the 12, by the way, continuing to sum 8, the first one correct is 97 (just because 87 is not good for 12 again). After all, the 3 numbers that respect the instructions, are 97, 121 and 145.
Re: What could be the values of integers from 80 to 150, inclusive, that l
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02 Dec 2023, 23:18
02 Dec 2023, 23:18
2
can take the LCM which would be 24 and from there could check easily the multiples of 24
