Question

Rahul has to cover 3 km in a cycle race. He has already covered 2 km . The circumference of the Tyre of the cycle is 2 m. How many turns of the Tyre are needed to cover the distance left?​​

Answer 1

Answer:

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A distance to be covered by Rahul= 3km

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀= 3 × 100

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀=3000m

Distance already covered by Rahul in (m)⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ = 2km

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ = 2×100

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ = 2000m

Therefore, Remaining distance to be covered =⠀⠀⠀⠀⠀⠀⠀⠀⠀ 3000m-2000m

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀= 1000m

No. Of the terms of tyres required

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ = 1000 ÷ 2

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ = 500

Hence, 500 turns of the type need to cover the distance left.

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Answer 2

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distance needed to be covered = 3 - 2 = 1 km = 1000 m

Circumference of the Tyre of the cycle = 2 m

Number of turns of the Tyre that are needed to cover the distance left = 1000/2 = 500