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If x and y are positive integers, what is the value of x + y?

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CEO
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If x and y are positive integers, what is the value of x + y?  [#permalink]

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New post 19 Feb 2019, 09:43
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E

Difficulty:

  55% (hard)

Question Stats:

55% (01:59) correct 45% (01:24) wrong based on 29 sessions

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If x and y are positive INTEGERS, what is the value of x + y?

1) x percent of 300 is equal to y percent of 125
2) y is 140 percent greater than x

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Re: If x and y are positive integers, what is the value of x + y?  [#permalink]

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New post 19 Feb 2019, 13:20
3
Stmt 1 :
1.25y =3x

Cant determine (x+y) . Not Sufficient

Stmt 2 :
y = 2.4x

Cant determine (x+y) . Not Sufficient

Combining 1 and 2 .

1.25 (2.4x) = 3x

LHS = RHS

So Answer will be E.
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Re: If x and y are positive integers, what is the value of x + y?  [#permalink]

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New post 19 Feb 2019, 14:04
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Both statements help us to get the value of one variable in terms of another. Since we don’t know the value of either of these variables, getting the sum using either of these statements alone is impossible.

Next, we try to use both these statements in tandem. A gives us (x = 0.4166y) while B gives us (y = 2.4x). Combining the give, we get x = x , a tautology which is clearly not useful.

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Re: If x and y are positive integers, what is the value of x + y?   [#permalink] 19 Feb 2019, 14:04
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If x and y are positive integers, what is the value of x + y?

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