334)Is sum >10

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334)Is sum >10

by ern5231 » Sat May 15, 2010 8:35 am
Is a + b + c + d> 10?
(1) a + bc> 3
(2) 2 * c + d> 7

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by akhpad » Sat May 15, 2010 10:03 am
ern5231 wrote: Is a + b + c + d> 10?
(1) a + bc> 3
(2) 2 * c + d> 7
Either statement alone is not sufficient

Statement 1 and 2 together
a + bc > 3 & 2c + d > 7

a + c ( b + c) + d > 10
This is valid only if c = 1 but do not know the value of c. it may take any value.

Answer: E

What is OA?