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NTSE Sample Paper NTSE SAT Practice Test-6

  • question_answer
    The number of revolutions made by a bicycle wheel 56 cm. in diameter in covering a distance of 1.1 kms is

    A) 312                  

    B)        625

    C) 850                  

    D)        912

    Correct Answer: B

    Solution :

    [b] Distance covered in one round \[=2\pi r=2\times \frac{22}{7}\times \frac{56}{2}\] cm =176 cm. Number of revolutions \[=\left( 1.1\text{ }\times 1000\times 100 \right)\div \left( 176 \right)\] =625.


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