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In Making 1000 Revolutions, a Wheel Covers 88 Km. the Diameter of the Wheel is - Mathematics

MCQ
Sum

In making 1000 revolutions, a wheel covers 88 km. The diameter of the wheel is

Options

  • 14 m

  • 24 m

  •  28 m

  • 40 m

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Solution

28 m
Distance covered by the wheel in 1 revolution`=((88xx1000)/1000) "m'`

= 88 m

We have:

Circumference of the wheel = 88 m

Now, let the diameter of the wheel be d m.

Thus, we have:

πd = 88

`=>22/7xx"d"=88`

`=> "d" =(88xx7/22)`

⇒ d = 28 m

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APPEARS IN

RS Aggarwal Secondary School Class 10 Maths
Chapter 18 Area of Circle, Sector and Segment
Multiple Choice Questions | Q 20 | Page 848
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