Question

The radius of a bicycle wheel is 35 cm. How many complete turns must it take to cover the distance 110 m?

Answer 1

Answer:

circumference of the wheel = 2πr = 2 × 22/7 × 35

= 220 cm

distance to be covered = 110m = 11000cm

No. of turns made by the wheel = 11000/220 = 50

Answer 2

Given :- The radius of a bicycle wheel is 35 cm.

To Find :- How many complete turns must it take to cover the distance 110 m ?

Formula used :-

• Distance covered by a wheel in one turn = Circumference of wheel = 2 × π × radius of wheel .
• 1 m = 100 cm

Solution :-

given,

→ Radius of bicycle wheel = 35 cm

So,

→ Distance covered by a wheel in one turn = Circumference of wheel = 2 × π × radius = 2 × (22/7) × 35 = 2 × 22 × 5 = 220 cm

now,

→ 1 m = 100 cm

→ 110 m = 110 × 100 = 11000 cm

then,

→ Wheel covers 220 cm distance in = 1 turn

→ Wheel covers 1 cm distance in = (1/220) turn

→ Wheel covers 11000 cm distance in = (1/220) × 11000 = 50 turns (Ans.)

Hence, the wheel will take 50 complete turns to cover the distance of 110 m .

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