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Exam GMAT Test topic 1 question 9 discussion

Actual exam question from Test Prep's GMAT Test
Question #: 9
Topic #: 1
[All GMAT Test Questions]

If X is a positive integer and (405)
is a multiple of 3
, what is the largest possible value of X?

X -

  • A. 5.
  • B. 12.
  • C. 16.
  • D. 20
  • E. 26.
Show Suggested Answer Hide Answer
Suggested Answer: = 3C 🗳️
Find the factors of (405)
and see what the largest value of X can be.
405 = 81 ֳ— 5 = 9 ֳ— 9 ֳ— 5 = 3 ֳ— 3 ֳ— 3 ֳ— 3 ֳ— 5
(405)
= (3 ֳ— 3 ֳ— 3 ֳ— 3 ֳ— 5)
ֳ— 5
.

The largest possible value of 3 -
that is still a factor of (405)
is the largest possible value of X and that is 3
.

X -
X = 16.

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jay101010
3 months, 2 weeks ago
this answer explanation is so freaking bad
upvoted 2 times
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