4th Class Mathematics Measurement Length, Weight and Capacity Question Bank Measurement

  • question_answer A pole is painted blue and red. The red part is \[1\frac{2}{5}\]times as long as the blue part. Find the length of the blue part, if the length of the pole is 5.52m.

    A)  2.3 m             

    B)  2.5 m 

    C)    2 m                

    D)    3.2 m

    Correct Answer: A

    Solution :

    The red part is \[1\frac{2}{5}\] times the blue part \[=\frac{7}{5}\] (Blue part) Total length of the pole = Blue part + Red part = Blue part + \[\frac{7}{5}\] (Blue part) \[=\left( 1+\frac{7}{5} \right)\] (Blue part) = 5.52m \[\therefore \] Blue part \[\text{= 5}\text{.52 m  }\!\!\times\!\!\text{  }\frac{\text{5}}{\text{12}}\text{= 2}\text{.3 m}\]


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