A number theory problem by Pratik Koshti
Pratik has Rs. 75. He wants to buy chocolates of Rs. 75. The cost of one chocolate is Rs. 1. And there is an offer on the chocolate:
*On three wrappers we get 1 chocolate free.
So, Pratik can buy how many maximum chocolates of Rs. 75.
The answer is 112.
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1 solution
Moderator note:
Where did this formula come from?
By using the formula , n + (n-1)/2
By using the formula , n + (n-1)/2 , we arrive at the answer 112.