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CAT 2018 Set-1 | Question: 43

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An ATM dispenses exactly Rs. $5000$ per withdrawal using $100, 200$ and $500$ rupee notes. The ATM requires every customer to give her preference for one of the three denominations of notes. It then dispenses notes such that the number of notes of the customer’s preferred denomination exceeds the total number of notes of other denominations dispensed to her.

In how many different ways can the ATM serve a customer who gives $500$ rupee notes as her preference?

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