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Source: — Data Sufficiency |
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by cramya » Thu Nov 20, 2008 6:30 am
The answer would be C).




Stmt I)

December = Nov +x
= Oct +2x so on...
= Mar + 9x

Mar + 9x=31000 (1)
2 UNKNOWNS 1 EQN INSUFF


Stmt II

sep = june+30000

mar+6x = mar+3x+30000

Solve for x

Still dont know Feb's revenue so that we can calculate feb+x to be MAR

INSUFF

Combine I and II

Substitute x's value found in stmt II in Mar + 9x=31000 to get Mar rev

SUFF

C)
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