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distance on the number line
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Updated on: 10 Mar 2021, 09:22
Updated on: 10 Mar 2021, 09:22
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On the number line, P is a point between -3 and -2, Q is a point between -1 and 0, and R is a point between 0 and 1.
A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
Quantity A |
Quantity B |
The distance between P and Q |
The distance between Q and R |
A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
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Re: distance on the number line
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10 Mar 2021, 08:07
10 Mar 2021, 08:07
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Lester wrote:
On the number line, P is a point between -3 and -2, Q is a point between -1 and 0, and R is a point between 0 and 1.
The answer is D. Can someone help explain, thanks
A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
Quantity A |
Quantity B |
The distance between P and Q |
The distance between Q and R |
The answer is D. Can someone help explain, thanks
A) Quantity A is greater.
B) Quantity B is greater.
C) The two quantities are equal.
D) The relationship cannot be determined from the information given.
-3 < P < -2
-1 < Q < 0
0 < R < 1
Col. A could be (P - Q) or/and (Q - P)
Col. B could be (Q - R) or/and (R - Q)
NOTE: Inequalities of the opposite nature can be subtracted
-3 < (P - Q) < -1
1 < (Q - P) < 3
-2 < (Q - R) < 0
0 < (R - Q) < 2
Case I:
Col. A: -2
Col. B: 1
Here, Col. A < Col. B
Case II:
Col. A: 2
Col. B: 1
Here, Col. A > Col. B
Hence, option D
gmatclubot
Re: distance on the number line [#permalink]
10 Mar 2021, 08:07
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