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word problem

by sud21 » Thu Jan 12, 2012 4:39 am
If the 5 times of the age of A is 10 less than 3 times of age of B, what is age of A?
1). The sum of two ages is 14.
2). A is ten year younger than B.
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Source: — Data Sufficiency |
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by neelgandham » Thu Jan 12, 2012 9:50 am
If the 5 times of the age of A is 10 less than 3 times of age of B, what is age of A?
If A = Age of A and B = Age of B
5A = 3B - 10
1). The sum of two ages is 14.

A + B = 14
Two equations, two variables. Sufficient
2). A is ten year younger than B.
A = B - 10
Two equations, two variables. Sufficient

Option D IMO
Anil Gandham
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