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555-605 (Medium)|   Algebra|      
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Eduardo86
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What is the value of 2P + Q0, where P is the units digit and Q is the 21 May 2020, 06:31
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Difficulty:

35% (medium)

Question Stats:

72% (02:06) correct 28% (02:10) wrong based on 65 sessions

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What is the value of 2P + Q0, where P is the units digit and Q is the tens digit of the respective terms?

(1) 2P + Q0 > 100

(2) P + Q = 14
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E
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What is the value of 2P + Q0, where P is the units digit and Q is the 21 May 2020, 06:35
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Eduardo86
What is the value of 2P + Q0, where P is the units digit and Q is the tens digit of the respective terms?

1)2P + Q0 > 100

2)P + Q = 14

Who can give a better explanation on the Kaplan?

Thanks so much to everyone
Show more

Is this expression correct???

2P + Q0
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Eduardo86
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Joined: 13 May 2020
Last visit: 19 May 2021
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Own Kudos:
35
Given Kudos: 182
Location: United Kingdom
Schools: Wharton '23 Kellogg '23
Schools: Wharton '23 Kellogg '23
Posts: 27
Kudos: 35
What is the value of 2P + Q0, where P is the units digit and Q is the 21 May 2020, 07:27
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Eduardo86
What is the value of 2P + Q0, where P is the units digit and Q is the tens digit of the respective terms?

1)2P + Q0 > 100

2)P + Q = 14

Who can give a better explanation on the Kaplan?

Thanks so much to everyone

Is this expression correct???

2P + Q0
Show more

Yes, I have copied and pasted on the Kaplan page from the question bank.

The explanation is not amazing. For this, I was looking for another imposition for this question
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Eduardo86
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Joined: 13 May 2020
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Location: United Kingdom
Schools: Wharton '23 Kellogg '23
Schools: Wharton '23 Kellogg '23
Posts: 27
Kudos: 35
What is the value of 2P + Q0, where P is the units digit and Q is the 21 May 2020, 09:16
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GMATinsight
Eduardo86
What is the value of 2P + Q0, where P is the units digit and Q is the tens digit of the respective terms?

1)2P + Q0 > 100

2)P + Q = 14

Who can give a better explanation on the Kaplan?

Thanks so much to everyone

Is this expression correct???

2P + Q0
Show more


Analyze the question stem
This Value question presents the numbers 2P and Q0, where P is the units digit and Q is the tens digit, and asks for the sum of the two numbers. You'll need to know the values of P and Q.

Evaluate statements (1) and (2) together. If the value of Q is 8, then the value of P is 14 – 8 = 6, and the sum 2P + Q0 = 26 + 80 = 106. However, if the value of Q = 9, then the value of P = 14 – 9 = 5, and the sum 2P + Q0 = 25 + 90 = 115. Since you still can't determine the unique value of 2P + Q0, (E) is correct.
Evaluate the statements
Statement (1) says that 2P + Q0 > 100. All that you can discern from this is that 2 + Q ≥ 10, which means that Q must be 8 or 9. Meanwhile, P could have any value. Insufficient. Eliminate (A) and (D).
Statement (2): There are several sets of values for P and Q such that P + Q = 14. P and Q could be 5 and 9, 6 and 8, or 7 and 7. Therefore, you can't determine the unique values of P and Q. This statement is insufficient. Eliminate (B) and proceed to combine the statements.
Statements (1) and (2) together: Given that Q is either 8 or 9 and the sum of P and Q is 14, then P could be either 6 or 5. Taken together, the statements are still insufficient. (E) is correct.

This is the explanation, which I do not like so much. I was wondering if anyone can have a better one.
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