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set 4 q 32

by radhika1306 » Wed Dec 12, 2007 3:09 pm
If m and v are integers, what is the value of m + v?
(1) mv = 6
(2) (m + v)^2 = 25
A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.
B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.
C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
D. EACH statement ALONE is sufficient.
E. Statements (1) and (2) TOGETHER are NOT sufficient.
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Source: — Data Sufficiency |
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by Suyog » Wed Dec 12, 2007 3:39 pm
1. mv = 6
m = 1, v = 6 or m = 2, v = 3 INSUFF

2. (m+v)^2 = 25
m+v = +5 or m+v = -5 INSUFF

Both together
mv = 6 & m+v = +5 or m+v = -5
m = 2, v = 3..... mv = 6 and m+v = 5
m = -2, v = -3 .....mv = 6 and m+v = -5 INSUFF

Ans E.
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by radhika1306 » Thu Dec 13, 2007 6:21 am
Correct Thanks
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