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If X, Y and Z are consecutive numbers (X>Y>Z). X +2Y +3Z = 5Y + 4. Wha
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01 Apr 2021, 02:06
01 Apr 2021, 02:06
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If X, Y and Z are consecutive numbers (X>Y>Z). X +2Y +3Z = 5Y + 4. What is the value of Z?
A. 6.
B. 5.
C. 4.
D. 3.
E. 2.
Kudos for the right answer and explanation
Question part of the project GRE Quantitative Reasoning Daily Challenge - (2021) EDITION
GRE - Math Book
A. 6.
B. 5.
C. 4.
D. 3.
E. 2.
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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Joined: 10 Apr 2015
Posts: 6218
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Re: If X, Y and Z are consecutive numbers (X>Y>Z). X +2Y +3Z = 5Y + 4. Wha
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01 Apr 2021, 05:35
01 Apr 2021, 05:35
2
Carcass wrote:
If X, Y and Z are consecutive numbers (X>Y>Z). X +2Y +3Z = 5Y + 4. What is the value of Z?
A. 6.
B. 5.
C. 4.
D. 3.
E. 2.
Kudos for the right answer and explanation
Question part of the project GRE Quantitative Reasoning Daily Challenge - (2021) EDITION
GRE - Math Book
A. 6.
B. 5.
C. 4.
D. 3.
E. 2.
Kudos for the right answer and explanation
Question part of the project GRE Quantitative Reasoning Daily Challenge - (2021) EDITION
GRE - Math Book
If , Y and Z are consecutive numbers AND Z < Y < X, then we know that....
Y = Z + 1
X = Z + 2
Now take the given equation (X +2Y + 3Z = 5Y + 4) and replace Y and X with Z+1 and Z+2
We get: (Z+2) +2(Z+1) + 3Z = 5(Z+1) + 4
Expand: Z+2 + 2Z + 2 + 3Z = 5Z + 5 + 4
Simplify both sides: 6Z + 4 = 5Z + 9
Solve: Z = 5
Answer: B
Cheers,
Brent
Re: If X, Y and Z are consecutive numbers (X>Y>Z). X +2Y +3Z = 5Y + 4. Wha
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23 Jul 2023, 08:27
23 Jul 2023, 08:27
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Thanks to another GRE Prep Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).
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