CAT Practice : Functions

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Greater Integer Function

Greatest Integer Function

    Q.19: Find the value of x for which x[x] = 15
    1. 3.5
    2. 5
    3. 6.1
    4. None of these


  • Correct Answer
    Choice D. None of these

Detailed Solution

Using similar approach as previous question, [x] = 3
=) x = 15/3 =) x = 5 which is not possible since
Answer choice (D).

Correct Answer: None of these

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