NSO Level 1- Science Olympiad (SOF) Class 10: Questions 1 of 986

Question

MCQ▾

In making 1000 revolutions, a wheel covers 44 km. The diameter of the wheel is ________.

Choices

Choice (4)Response

a.

18 m

b.

15 m

c.

12 m

d.

14 m

Answer

d.

Explanation

  • The total distance travelled is 44 km
  • No. of revolutions
  • Now, Distance travelled in 1 revolution

  • Distance travelled in 1000 revolutions

  • Thus, radius of wheel and
  • Diameter of wheel

  • Therefore, the diameter of wheel is 14 m.

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