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

  • question_answer Ifof in d\[x+y=\]?

    A)  42                               

    B)  41

    C)  43                               

    D)  45

    Correct Answer: B

    Solution :

    \[\frac{1}{4}-\frac{1}{5}+\frac{1}{5}-\frac{1}{6}+\frac{1}{6}-\frac{1}{7}+\frac{1}{7}-\frac{1}{8}+\frac{1}{8}-\frac{1}{9}\] \[\frac{1}{4}-\frac{1}{9}=\frac{9-4}{36}=\frac{5}{36}=\frac{x}{y}\] \[x=5,\,\,y=36=36+5=41\]


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