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On the number line, 1.4 is halfway between which of the foll

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On the number line, 1.4 is halfway between which of the foll [#permalink] New post 18 May 2018, 14:51
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79% (00:50) correct 20% (02:23) wrong based on 29 sessions
On the number line, 1.4 is halfway between which of the following pairs of numbers?

(A) —1.4 and 2.4

(B) —1 and 2

(C) —0.3 and 3.1

(D) 0.15 and 1.55

(E) 0.4 and 1
[Reveal] Spoiler: OA

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Re: On the number line, 1.4 is halfway between which of the foll [#permalink] New post 19 May 2018, 06:45
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Average of 2 numbers in the options would give the number in middle on the numbrline. Hence C
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Re: On the number line, 1.4 is halfway between which of the foll [#permalink] New post 11 Aug 2020, 14:13
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since 1.4 is half way b/w two numbers say(x & y)
Then average(Arithmetic Mean) of these two numbers is 1.4
so (x+y)/2=1.4 it can be written as x+y=2.8
.
So select te choices that give the sum of two numbers as 2.8
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Re: On the number line, 1.4 is halfway between which of the foll [#permalink] New post 12 Aug 2020, 02:55
(3.1 - 0.3)/2 = 1.4 option C
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Re: On the number line, 1.4 is halfway between which of the foll   [#permalink] 12 Aug 2020, 02:55
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On the number line, 1.4 is halfway between which of the foll

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