Question

Fill in the blanks.
If the cost of $10$ pencils is $Rs.15$, then the cost of $6$ pencils is ____ .

Answer 1

If the cost of $10$ pencils is $Rs.15$, then the cost of $6$ pencils is
Cost of $10$ pencils $=Rs.15$
Let cost of $6$ pencil $=Rs.x$
$10:615:x$
$10x=6\times 5$
$x=3$
Cost of $6$ pencils $=Rs.3$