Question

If the cost of $12$ not notebooks is $Rs.450$, then the cost of $16$ notebooks is

• A. $Rs.600$
• B. $Rs.615$
• C. $Rs.650$
• D. none of these

Answer 1

Answer: (A)

$Rs.600$

$\cos t\text{of 12 note}\text{books=450}$
$\text{cost}\text{of 1 note}\text{book=}\frac{\text{450}}{12}$
$\cos tof16notebooks=\frac{450}{12}\times 16$
$=600$