Multiple Choice Questions on What is the number of numbers of the form 0 XY where X and Y are distinct non zero digits ........ for Civil Services Exam (CSAT) Preparation

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Multiple Choice Questions

What is the number of numbers of the form 0 XY where X and Y are distinct non zero digits ........

Math and Mental Ability Number System
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    What is the number of numbers of the form 0.XY, where X and Y are distinct non-zero digits?

    This questions was previously asked in
    Complete-Test, Previous year (2022)
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     72

    Correct Answer

    81

    Incorrect Answer

    90

    Incorrect Answer

    100

    Incorrect Answer
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    Explanation:

    Since, X and Y are distinct non-zero digits
    ∴ The required number of numbers of the form 0.XY = 9 × 8 = 72
    Hence, option (a) is the correct answer

    By: Munesh Kumari
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