Question

The cost of20 pen is 320 find the cost of 38 such pens the cost of 20 pen is 320 find the cost of 38pens

Answer 1

   The cost of  20 pen is  RS 320

∴ The cost of 1 pen is  RS 320/20

∴ The cost of  38 pen is  RS 320/20*38 =Rs 608 ANS