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Questions  >>  Olympiad-Math  >>  Class 7  >>  Simple Equations
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Q)

Ramakrishnan earns Rs. x daily and spends Rs. y per week. What is his saving for 9 weeks ?


( A ) 9x - 63y
( B ) 9x + 63y
( C ) 63x + 9y
( D ) 63x -9y

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