Question

the diameter of A wheel of a bus is 112 CM how many e revolution will it make to cover 1 kilometre 56 metre​

Answer 1

Radius of the wheel=112cm/2=56cm
Distance it can cover in one turn=2x22x56/7=352cm
Distance it must cover =1km56m=1000x100+56x100cm=100000+5600=105600cm
No of turns need to cover the distance= distance it must cover circumference of the wheel
=105600/352=300 turns

Check:
Distance covered by the wheel in 300 turns = 300x2x22x56/7=105600cm

Answer 2

Answer:

Diameter of the wheel = 77 cm

⇒ Radius of the wheel = cm

Circumference of the wheel =

= cm = (22 × 11) cm = 242 cm

= m = m

Distance covered by the wheel in 1 revolution = m

Now, m is covered by the car in 1 revolution.

(121 × 1000) m will be covered by the car in revolutions, i.e. 50000 revolutions.

∴ Required number of revolutions = 50000

Step-by-step explanation:

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