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# If x>5 and y<21, and x and y are prime numbers, what is the least valu

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Math Expert
Joined: 02 Aug 2009
Posts: 7205
If x>5 and y<21, and x and y are prime numbers, what is the least valu  [#permalink]

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25 Dec 2017, 21:33
00:00

Difficulty:

15% (low)

Question Stats:

83% (00:45) correct 17% (00:36) wrong based on 39 sessions

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If x>5 and y<21, and x and y are prime numbers, what is the least value of xy?
(A) 4
(B) 10
(C) 14
(D) 19
(E) 133

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_________________

1) Absolute modulus : http://gmatclub.com/forum/absolute-modulus-a-better-understanding-210849.html#p1622372
2)Combination of similar and dissimilar things : http://gmatclub.com/forum/topic215915.html
3) effects of arithmetic operations : https://gmatclub.com/forum/effects-of-arithmetic-operations-on-fractions-269413.html

GMAT online Tutor

Intern
Joined: 25 Dec 2017
Posts: 6
Re: If x>5 and y<21, and x and y are prime numbers, what is the least valu  [#permalink]

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25 Dec 2017, 22:02
Option C as x = 7 and y = 2
Hence xy = 14
Option C

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Re: If x>5 and y<21, and x and y are prime numbers, what is the least valu &nbs [#permalink] 25 Dec 2017, 22:02
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