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Bunuel wrote:
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If n is a positive two-digit even integer, which of the following must be a factor of\( (n - 5)(n - 3)(n - 1)(n + 1)(n + 3)(n +5)\) ?
I. 11
II. 21
III. 45
A. I only
B. II only
C. III only
D. II and III only
E. I, II, andIII
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If n is a positive two-digit even integer, which of the following must be a factor of\( (n - 5)(n - 3)(n - 1)(n + 1)(n + 3)(n +5)\) ?
I. 11
II. 21
III. 45
A. I only
B. II only
C. III only
D. II and III only
E. I, II, andIII
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We can see that the expression (n - 5)(n - 3)(n - 1)(n + 1)(n + 3)(n + 5) tells us that n must be a common factor of 3,5 so I think it isC.
GMATCoachBen avigutman KarishmaB Bunuel manasp35 JeffTargetTestPrep please let me know whether my method is correct
n can take any value e.g. it could be 14. This question is based on the concept of factors of consecutive integers.
Say if I have 2 consecutive integers, their product will certainly have 2 as a factor because one of the numbers will be even. Similarly if I have 3 consecutive
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Statistics : Posted by KarishmaB • on 22 Dec 2023, 07:00 • Replies 9 • Views 1797
