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  1. A bicycle wheel has a diameter (including the tyre) of 56 cm. The number of times the wheel will rotate to cover a distance of 2.2 km is (Assume π = 22/7)
    1. 625
    2. 1250
    3. 1875
    4. 2500
Correct Option: B

Distance covered by wheel in 1 revolution = π × diameter

=
22
× 56 = 176 cm
7

Total distance = 2.2 km = (2.2 × 1000 × 100) cm = 220000 cm
∴ Number of revolutions =
220000
= 1250
176



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