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QUESTION
Q
The rupee/coin changing machine at a bank has a flaw. It gives 10 ten rupee notes if you put a 100 rupee note and 10 one rupee coins if you insert a 10 rupee note but gives 10 hundred rupee notes when you put a one rupee coin! Ravi, after being ruined by his rivals in business is left...
Solution
The Technique is as follows:
When we insert one Rs.1 Coin
We get 10 Rs.100 notes = Rs.1000
When we insert one Rs.100 note
We get 10 Rs.10 notes.
When we insert one Rs.10 note
We get 10 Rs.1 coins
Ravi gets more money when he inserts a rupee coin only. For each Rs.1 coin he gets his money...
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