6th Class Mathematics Mensuration Question Bank Menstruation

  • question_answer
    The number of revolutions made by a wheel of diameter 56 cm in covering a distance of 1.1 km is \[\left( \text{Use}\,\pi =\frac{22}{7} \right)\]

    A)  31.25              

    B)    56.25

    C)  625               

    D)    62.5

    Correct Answer: C

    Solution :

         We have, \[r=28\,cm\] Distance covered in one revolution \[=2\times \frac{22}{7}\,\times 28=176\,cm\] No. of revolutions made in covering a distance of \[(1.1\times 1000\times 100)cm\] \[=\frac{110000}{176}\,=625\]


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