PYQ Vault
EbooksTutor

Wheel revolutions = distance / circumference: find revolutions or radius

This type of question, asked 3 times: CDS 2 2016, CDS 2 2020, CDS 1 2022. All 4 questions below, oldest first.

Try each one first, then open its answer.

  1. Question 1

    CDS 2 2016

    67
    The wheels of a car are of diameter 80 cm each. The car is travelling at a speed of 66 km/hour. What is the number of complete revolutions each wheel makes in 10 minutes ?

    Tap an option to check your answer.

  2. Question 2

    CDS 2 2016

    49
    What is the number of rounds that a wheel of diameter 511\frac{5}{11} m will make in traversing 7 km ?

    Tap an option to check your answer.

  3. Question 3

    CDS 2 2020

    76
    A bicycle wheel makes 5000 revolutions in moving 11 km. What is the radius of the wheel ? (Assume π=227\pi = \frac{22}{7})

    Tap an option to check your answer.

  4. Question 4

    CDS 1 2022

    90
    A bicycle wheel of radius 35 cm makes nn revolutions in moving 11 km. What is the value of nn? (Take π=227\pi = \frac{22}{7})

    Tap an option to check your answer.