Question

Suppose a shopkeeper gives 1 icecream for 1 coin
There is an Exchange offer:-
1 icecream free for 3 wrapper/pouch.
If you have 27 coin then how much icecream you can get?

Answer 1

Since you have 27coins you will get 27 icecrams,
You will also get 27wrapeers
3wrapper=1 icecream
27wrapper=9 ice cream
With 9 wrppers again you can get 3 icecreams
And agains with this 3wrapeers you can get one more icecream

Therefore total icecream=27+9+3+1=40icecreams

Answer 2

no of ice creams can be bought with coins directly is 27
no of ice creams that can be bought with these 27 wrappers is 9
similarly with these 9 wrappers 3 ice creams and with these three one more
total=27+9+3+1=40ice creams