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Maths-

General

Easy

Question

The diameter of a wheel is 98 cm.
b. Find the distance covered by the wheel in 1000

hint Hint:

Find circumference of the wheel

The correct answer is: 3.08 km

It is given that diameter of the wheel = 98 cm
$rightwards double arrow$ Radius = $fraction numerator text diameter end text over denominator 2 end fraction$
= 49 cm
Circumference of the wheel = 2 $straight pi$ r
= 2 × $22 over 7$ × 49
= 308 cm
No of revolutions given = 1000
Distance covered in 1000 rotations = Circumference × 1000
= 308 × 1000
= 308000 cm = 3.08 km

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