5th Class Mathematics Fractions and Decimals Question Bank Fraction & Decimals

  • question_answer If\[\frac{17.28+y}{3.6}\times 0.2=400\] then what should come in place of \[y\]?

    A) \[0.24\]                         

    B) \[0.024\]

    C) \[2.4\]                           

    D) \[0.0024\]

    Correct Answer: D

    Solution :

     we have, \[\frac{17.28\div ?}{3.6}\times 0.2=400\] \[\Rightarrow 17.28\div ?=\frac{400\times 3.6}{0.2}\] \[\Rightarrow ?=\frac{17.28\times 0.2}{400\times 3.6}=0.0024\]

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