The diameter of the driving wheel of a bus is 140 cm. How many revolutions per minute must the wheel make in order to keep a speed of 66 km per hour?
ক) 200
খ) 250
গ) 300
ঘ) 350
Related Questions
ক) 180°
খ) 240°
গ) 360°
ঘ) 540°
ক) -10/9
খ) 5/4
গ) -5/3
ঘ) -5/4
ক) 3:15
খ) 7:15
গ) 8:45
ঘ) 9:45
ক) Ana
খ) Rony
গ) Pamela
ঘ) Ruby
ক) 1300
খ) 1200
গ) 1000
ঘ) 800
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