Question

Harry paid a total of Rs. 800 for a set of different mock tests. How many of the mock tests cost Rs. 40?
I. Each Mock Test costs either 25 or 40
II. More than 4 Mock Tests cost Rs. 40

Q: Answer-&lt;p&gt;Harry paid a total of Rs. 800 for a set of different mock tests. How many of the mock tests...

From I, we get Let number of mock tests for Rs. 25 be x And number of mock tests for Rs. 40 be y Then, 25x 40 y 800 5x 8y 160 X 32 - 8y5 Since x is the number of mock tests for Rs. 25, it has to be a positive integer Thus, y can take the values 0, 5, 10, 15, 20 According to statement II, more than 4 mock Tests cost Rs. 40. Values of y more than 4 are 5,10,15 and 20. Thus, we cannot find out the exact number of mock tests costing Rs. 40.

A If the data in statement I alone are sufficient to answer the question, while the data in statement II alone are not sufficient in answer the question.

B If the data in statement II alone are sufficient to answer the question, while the data in statement I alone are not sufficient to answer the question.

C If the data in either in statement I alone or in statement II alone are sufficient to answer the question.

D If the data in both the statements I and II together are not sufficient to answer the question.

E If the data in both the statements I and II are together necessary to answer the question.

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Harry paid a total of Rs. 800 for a set of different mock tests. How many of the mock tests cost Rs. 40?
I. Each Mock Test costs either 25 or 40
II. More than 4 Mock Tests cost Rs. 40

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Harry paid a total of Rs. 800 for a set of different mock tests. How many of the mock tests cost Rs. 40?I. Each Mock Test costs either 25 or 40II. More than 4 Mock Tests cost Rs. 40

Detailed Solution

More Data Sufficiency Questions

Relevant for Exams:

Hey! Ask a query

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Harry paid a total of Rs. 800 for a set of different mock tests. How many of the mock tests cost Rs. 40?
I. Each Mock Test costs either 25 or 40
II. More than 4 Mock Tests cost Rs. 40