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# If x and y are reciprocals, what is the value of x + y rounded to the

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If x and y are reciprocals, what is the value of x + y rounded to the  [#permalink]

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Updated on: 10 Mar 2017, 22:57
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Difficulty:

15% (low)

Question Stats:

81% (00:44) correct 19% (01:04) wrong based on 46 sessions

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If x and y are reciprocals of each other, what is the value of x + y rounded to the nearest hundredth?

(1) x = 0.2
(2) y = 5

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Last edited by abhimahna on 10 Mar 2017, 22:57, edited 1 time in total.
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Re: If x and y are reciprocals, what is the value of x + y rounded to the  [#permalink]

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15 Feb 2017, 06:53
If x and y are reciprocals, what is the value of x + y rounded to the nearest hundredth?

(1) x = 0.2
(2) y = 5

give x=1/y or y=1/x

(1) x+y = x+1/x =26/5.....suff
(2) x+y = 1/y +y =26/5...suff

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Re: If x and y are reciprocals, what is the value of x + y rounded to the  [#permalink]

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15 Feb 2017, 21:34
If x and y are reciprocals, what is the value of x + y rounded to the nearest hundredth?

(1) x = 0.2
(2) y = 5

Since x and y are reciprocals, x=1/y or y=1/x

St I
x = 0.2
x+y = x + 1/x = 0.2 +(1/0.2) = 5.20 ---------Sufficient

St II
y = 5
x+y = 1/y + y = (1/5) + 5 = 0.2+5 = 5.20 -----------Sufficient

Hence Option D is correct
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Re: If x and y are reciprocals, what is the value of x + y rounded to the  [#permalink]

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16 Feb 2017, 11:21
If x and y are reciprocals, what is the value of x + y rounded to the nearest hundredth?

(1) x = 0.2
(2) y = 5

We are given that x and y are reciprocals and we need to determine the value of x + y rounded to the nearest hundredth.

Statement One Alone:

x = 0.2

Since x = 0.2 and y = 1/x, then y = 1/0.2 = 5. Thus x + y = 0.2 + 5 = 5.2. Statement one alone is sufficient to answer the question.

Statement Two Alone:

y = 5

Since y = 5 and x = 1/y, x = 1/5 = 0.2. Thus x + y = 0.2 + 5 = 5.2. Statement two alone is also sufficient to answer the question.

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Re: If x and y are reciprocals, what is the value of x + y rounded to the &nbs [#permalink] 16 Feb 2017, 11:21
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