CAT 2018 Question Paper Shift 1 Solved Paper

Comprehension (47 - 50) :

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

Question : 48 of 100

Marks: +1, -0

If the ATM could serve only 10 customers with a stock of fifty 500 rupee notes and a sufficientnumber of notes of other denominations, what is the maximum number of customers amongthese 10 who could have given 500 rupee notes as their preferences

Your Answer:

Validate

Solution:

To serve the maximum number of customers with 500 rupee notes as preference, we need to minimize the number of 500 rupee notes that can be served to any person.
From the above solution, the minimum number of 500 rupee notes that the ATM can dispense to any person with 500 rupee notes as his\/her preference is

8 .

Hence, with fifty 500 rupee notes, a total of 6 persons can be served.

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