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What is the value of m+n? Refer to the addition table below,

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Joined: 31 May 2006
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What is the value of m+n? Refer to the addition table below, [#permalink]  02 Jul 2006, 11:18
What is the value of m+n? Refer to the addition table below,

+ X Y Z

4 1 -4 m
e 4 n 3
f 3 2 4
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Joined: 19 Apr 2006
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Re: Medium level [#permalink]  03 Jul 2006, 09:12
shehreenquayyum wrote:
What is the value of m+n? Refer to the addition table below,

+ X Y Z

4 1 -4 m
e 4 n 3
f 3 2 4

X+4 = 1, x=-3
Y+4 = -4, Y=-8
X+e = 4, e=7
Y+e = n, -8+7 = -1
Z+e = 3, Z=-4
Z+4 = m, -4+4 = 0
therefore... m+n = -1+0 = -1

The only concern that I have is that when I apply to check my values for X, Y, and Z and use row f, to find the value of f, I get different values for f. Is there a typo on the table above? May be, I am not supposed to use row f... which kind of concerns me... What is the OA?
Re: Medium level   [#permalink] 03 Jul 2006, 09:12
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