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A number n is a multiple of 2. X is the units digit of 7n and Y is t
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31 Jul 2024, 22:57
31 Jul 2024, 22:57
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Question Stats:
37% (01:38) correct
62% (01:30) wrong based on 29 sessions
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A number n is a multiple of 2. X is the unit’s digit of \(7^n\) and Y is the unit’s digit of \(3^n\)
Quantity A |
Quantity B |
\(X-Y\) |
0 |
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Shorter GRE - Preparing for the Quantitative Reasoning Measure
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Free Materials for the GRE General Exam - Where to get it!!
Shorter GRE - Preparing for the Quantitative Reasoning Measure
Shorter GRE - Preparing for the Verbal Reasoning Measure
Re: A number n is a multiple of 2. X is the units digit of 7n and Y is t
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03 Aug 2024, 09:22
03 Aug 2024, 09:22
1
X and Y have they same unit's digit, either 1 or 9 at the same time. There A and B are both 0.
Answer is C
Answer is C
Re: A number n is a multiple of 2. X is the units digit of 7n and Y is t
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24 Feb 2025, 08:12
24 Feb 2025, 08:12
what if n is -2, as per GRE -2 is considered a multiple of 2, then answer should be D
