Equation Riddle

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In a mathematical quiz, you are asked the following question:

Use three 9s in a mathematical expression without dividing or multiplying to form the number one.

Can you answer the question?

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  • 3 Answer(s)

    Round( log(sqrt (999)) , 0) = 1

    bhola99 Expert Answered on 12th January 2024.
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    9^(9-9)

    Yodha Expert Answered on 13th January 2024.
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    The question says “Use three 9s in a mathematical expression…” It does NOT say that you shouldn’t use any other digits / numbers.  🙂
    Being so, there are an infinite number of possible, valid answers, such as ‘1000 – 999’.

    Viji_Pinarayi Expert Answered on 13th January 2024.
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