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7th Class Mathematics Decimals and Fractions Question Bank Fractions and Decimals

  • question_answer
    Evaluate:  \[\frac{2\frac{5}{4}-4\frac{7}{6}+3\frac{1}{3}}{0.087+0.3717\div 0.9}\]

    A)  \[2.833\] 

    B)  \[0.28\]           

    C)         \[0.000028\]    

    D)         \[0.00028\]

    Correct Answer: A

    Solution :

           We have, \[\frac{2\frac{5}{4}-4\frac{7}{6}+3\frac{1}{3}}{0.087+0.3717\div 0.9}\] \[=\frac{\frac{39-62+40}{12}}{0.087+0.413}=\frac{\frac{17}{12}}{0.5}=\frac{17}{12\times 0.5}\] \[=\frac{17}{6}=2.833\]


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