5th Class Mathematics Fractions Question Bank Fractions

  • question_answer
    \[\frac{2}{3}\]of a number is smaller than thrice the same number by\[49\]. What is the number?

    A)  \[14\]                           

    B)  \[35\]         

    C)  \[21\]               

    D)         \[28\]

    Correct Answer: C

    Solution :

    \[\frac{2}{3}\]of a number is smaller than thrice the same number by 49. So,\[3(Number)-\frac{2}{3}(number)=49\]             \[=\left( 3-\frac{2}{3} \right)(Number)=49\]             \[=\left( \frac{9-2}{3} \right)(Number)=49\] \[\therefore \]Number=\[\overset{7}{\mathop{\cancel{49}}}\,\times \frac{3}{\cancel{7}}=21\]


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