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7th Class Mathematics Algebraic Expressions Question Bank Algebra

  • question_answer
    If 20% of 60% of a number is 144, then the number is

    A) 1200           

    B) 2880

    C) 8640                           

    D) None of these

    Correct Answer: A

    Solution :

    Let the required number be\[x\]. \[\frac{20}{100}\times \frac{60}{100}\times x=144\] \[x=1200.\]                 


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