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01 Nov 2020, 00:15
Kudos
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D
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Difficulty:
5%
(low)
Question Stats:
96% (00:57) correct
4%
(01:27)
wrong
based on 56
sessions
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The greatest common divisor of a positive integer p and 25 is 5, and the greatest common divisor of p and 56 is 7. Which of the following values could p assume?
A. 5
B. 7
C. 25
D. 35
E. 56
A. 5
B. 7
C. 25
D. 35
E. 56
01 Nov 2020, 02:02
Kudos
Bookmarks
Bunuel
If GCD of p and 25 is 5 then p has to have a 5 has a factor.
If GCD of p and 56 is 7 then p has to have a 7 has a factor.
Hence p has to have 35 as a factor.(or p has to be a multiple of 35 )
Ans-D
Hope it's clear.
