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If 2x + 3y = 78 and 3x + 2y = 72, what is the value of x + y ?

A) 36
B) 32
C) 30
D) Cannot be determined

Correct Answer:



C) 30

Description for Correct answer:
2x + 3y = 78

3x + 2y = 72

On adding,

5x + 5y = 150

=> 5 ( x + y ) = 150

=> x + y = \( \Large \frac{150}{5} \) = 30

Part of solved Linear Equations questions and answers : >> Aptitude >> Linear Equations

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