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n is a two-digit number whose units digit is 3 times i
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16 Nov 2020, 05:23
16 Nov 2020, 05:23
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Question Stats:
82% (00:59) correct
17% (00:36) wrong based on 35 sessions
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n is a two-digit number whose units digit is 3 times its tens digit, which of the following statements must be true?
A. n is less than 15
B. n is greater than 30
C. n is a multiple of 3
D. n is a multiple of 10
E. n is a multiple of 13
Kudos for the right solution and explanation
Source: 320 GRE Math Questions
A. n is less than 15
B. n is greater than 30
C. n is a multiple of 3
D. n is a multiple of 10
E. n is a multiple of 13
Kudos for the right solution and explanation
Source: 320 GRE Math Questions
Re: n is a two-digit number whose units digit is 3 times i
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16 Nov 2020, 22:03
16 Nov 2020, 22:03
1
Carcass wrote:
n is a two-digit number whose units digit is 3 times its tens digit, which of the following statements must be true?
A. n is less than 15
B. n is greater than 30
C. n is a multiple of 3
D. n is a multiple of 10
E. n is a multiple of 13
Kudos for the right solution and explanation
Source: 320 GRE Math Questions
A. n is less than 15
B. n is greater than 30
C. n is a multiple of 3
D. n is a multiple of 10
E. n is a multiple of 13
Kudos for the right solution and explanation
Source: 320 GRE Math Questions
Only numbers which satisfies this condition is : 13, 26 and 39.
Hence E is the right answer.
n is a two-digit number whose units digit is 3 times i
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19 Jan 2024, 22:25
19 Jan 2024, 22:25
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The numbers that satisfy this criterion are
T U
1 3
2 6
3 9
U = Units digit
T = Tens digit
The numbers are 13,26,39.
They don't all satisfy the statements A to D
They are all multiples of 13
Clearly E is the correct answer
T U
1 3
2 6
3 9
U = Units digit
T = Tens digit
The numbers are 13,26,39.
They don't all satisfy the statements A to D
They are all multiples of 13
Clearly E is the correct answer
