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Janani is 6 centimeters taller than Preeti, who is 10 centim
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30 Aug 2018, 07:24
30 Aug 2018, 07:24
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Janani is 6 centimeters taller than Preeti, who is 10 centimeters taller than Rey.
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 average (arithmetic mean)height of the three people |
The median height of the three people |
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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Janani is 6 centimeters taller than Preeti, who is 10 centim
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27 Mar 2019, 12:41
27 Mar 2019, 12:41
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sandy wrote:
Janani is 6 centimeters taller than Preeti, who is 10 centimeters taller than Rey.
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 average (arithmetic mean)height of the three people |
The median height of the three people |
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.
GIVEN: Janani is 6 centimeters taller than Preeti, who is 10 centimeters taller than Rey.
Let Rey's height = x
So, Preeti's height = x + 10
And Janani's height = x + 10 + 6 = x + 16
The average (arithmetic mean) height of the three people = (x + x+10 + x+16)/3
= (3x + 26)/3
= 3x/3 + 26/3
= x + 8.66666...
The three heights are x, x+10, and x+16
So, the MEDIAN height = x+10
We get:
QUANTITY A: x + 8.66666...
QUANTITY B: x + 10
Answer: B
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Re: Janani is 6 centimeters taller than Preeti, who is 10 centim
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19 Sep 2021, 22:58
19 Sep 2021, 22:58
Picking numbers strategy
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