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Which of the following are divisible by both 2 and 3? I. 234,124,422
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21 Jun 2021, 08:28
21 Jun 2021, 08:28
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Which of the following are divisible by both 2 and 3?
I. 234,124,422
II. 88,865,544,264
III. 5,555,554,673
A. I only
B. I and II
C. II and III
D. II Only
E. I and III
Kudos for the right answer and explanation
Question part of the project GRE Quantitative Reasoning Daily Challenge - (2021) EDITION
GRE - Math Book
I. 234,124,422
II. 88,865,544,264
III. 5,555,554,673
A. I only
B. I and II
C. II and III
D. II Only
E. I and III
Kudos for the right answer and explanation
Question part of the project GRE Quantitative Reasoning Daily Challenge - (2021) EDITION
GRE - Math Book
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Re: Which of the following are divisible by both 2 and 3? I. 234,124,422
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21 Jun 2021, 18:17
21 Jun 2021, 18:17
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Carcass wrote:
Which of the following are divisible by both 2 and 3?
I. 234,124,422
II. 88,865,544,264
III. 5,555,554,673
A. I only
B. I and II
C. II and III
D. II Only
E. I and III
I. 234,124,422
II. 88,865,544,264
III. 5,555,554,673
A. I only
B. I and II
C. II and III
D. II Only
E. I and III
A number is divisible by 2 and 3 if it's unit digit is even and the sum of all digits is divisible by 3
We can directly rule out III.
Let's check the sum of I and II
I. 2+3+4+1+2+4+4+2+2 = 24 (div. by 3)
II. 8+8+8+6+5+5+4+4+2+6+4 = 60 (div. by 3)
Hence, option B
gmatclubot
Re: Which of the following are divisible by both 2 and 3? I. 234,124,422 [#permalink]
21 Jun 2021, 18:17
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