Question

fifteen post cards cost Rs2.25. What will be the cost of 36post cards? How many postcards can we buy in Rs 45?

Answer 1

It is the easiest method to do this question you will get complete answer in this figure However there is an other method to do this question but it is the simplest.Hope it will help you

Answer 2

15 post card=2.25
1 post card=2.25/15
36post card=(2.25/15)×36
=5.40rs
AGAIN
rs 2.25=15 post card
rs 1=15/2.25
rs 45=45×(15/2.25)
=300 post cards....