Question

If Arshad earns $Rs.x$ per day and spends $Rs.y$ per day, then his saving for the month of

• A. $Rs.(31x-y)$
• B. $Rs.31(x-y)$
• C. $Rs.31(x+y)$
• D. $Rs.31(y-x)$

Answer 1

Answer: (B)

$Rs.31(x-y)$

Earning of Arshad for $1$ day $=Rs.x$
Spending of Arshad for $1$ day $=Rs.y$
Saving for $1$ day $=Rs.(x-y)$
Saving for $31$ days $=Rs.31(x-y)$ (b)