A DILR caselet from the Data Interpretation & Logical Reasoning (DILR) section of CAT 2018 Slot 1, with 4 questions (Quant-based Puzzles). Answers are CAT's official key.
The set
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 17
In how many different ways can the ATM serve a customer who gives 500 rupee notes as her preference? (TITA)
TITA: type in the answer. There are no options and no negative marking.
Answer: 7Quant-based PuzzlesTITA
A worked solution for this question is being written. Meanwhile, practise it in a timed mock and see how other aspirants did.
Question 18
If the ATM could serve only 10 customers with a stock of fifty 500 rupee notes and a sufficient number of notes of other denominations, what is the maximum number of customers among these 10 who could have given 500 rupee notes as their preferences? (TITA)
TITA: type in the answer. There are no options and no negative marking.
Answer: 6Quant-based PuzzlesTITA
A worked solution for this question is being written. Meanwhile, practise it in a timed mock and see how other aspirants did.
Question 19
What is the maximum number of customers that the ATM can serve with a stock of fifty 500 rupee notes and a sufficient number of notes of other denominations, if all the customers are to be served with at most 20 notes per withdrawal?
A
13
B
10
C
12
D
16
Answer: (C) 12Quant-based PuzzlesMCQ
A worked solution for this question is being written. Meanwhile, practise it in a timed mock and see how other aspirants did.
Question 20
What is the number of 500 rupee notes required to serve 50 customers with 500 rupee notes as their preferences and another 50 customers with 100 rupee notes as their preferences, if the total number of notes to be dispensed is the smallest possible?
A
750
B
800
C
1400
D
900
Answer: (D) 900Quant-based PuzzlesMCQ
A worked solution for this question is being written. Meanwhile, practise it in a timed mock and see how other aspirants did.
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