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12 May 2011, 10:50
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A
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what is the value of B if a = b/c^2 ?
1) ac^2 = 50
2) c^2 = 10 and a^2 = 25.
small mistake cause one question wrong in DS :-D I selected "D" didnt notice the second part in the sentenace. :-D
1) ac^2 = 50
2) c^2 = 10 and a^2 = 25.
small mistake cause one question wrong in DS :-D I selected "D" didnt notice the second part in the sentenace. :-D
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12 May 2011, 17:03
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(1)
aC^2 = b
=> b = 50
Sufficient
(2)
c^2 = 10
but a^2 = 25
=> a = 5 or -5
So b = -50 or 50
Insufficient
Answer - A
aC^2 = b
=> b = 50
Sufficient
(2)
c^2 = 10
but a^2 = 25
=> a = 5 or -5
So b = -50 or 50
Insufficient
Answer - A
