From rs. 1 i get three chocolate and by giving 3 rappers i get 1 chocolate free how many chocolates i can buy from rs. 45?
Answer is 22 chocolates
15 chocolates with Rs.15
than with 15 wrappers you get 5 more chocolates
With 3 wrappers from the 5 new chocolates you get 1 more chocolate
And with these 1 more wrapper and the remaining 2 wrappers you get 1 more chocolate
Hence you get total 15 + 5 + 1 + 1 = 22
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