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

  • question_answer \[\frac{17.28\div y}{3.6\times 0.2}=200\], then what should come in place of\[y\]?

    A)  0.12                            

    B)  120           

    C)  1.20                

    D)  14

    Correct Answer: A

    Solution :

    \[\frac{17.28\div y}{3.6\times 0.2}=200\] \[17.28\times \frac{1}{y}=200\times \frac{36}{10}\times \frac{2}{10}\] \[y=\frac{17.28}{2\times 36\times 2}=\frac{1728}{144}=0.12\]

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