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  1. The Number of rounds that a wheel of diameter 7/11 m will make in going 4 km, is ?
    1. 1000
    2. 1500
    3. 1700
    4. 2000
Correct Option: D

Number of round = total distance / circumference of wheel.
= (4 x 1000) / πd
= (4 x 1000) / ( 22/7 x 7/11)
= 2000


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