The diameter of the driving wheel of a bus is 140 cm. Hoe many revolutions per minute must the wheel make in order to keep a speed of 66 kmph?
(a)
200
(b)
250
(c)
300
(d)
350
The diameter of the driving wheel of a bus is 140 cm. Hoe many revolutions per minute must the wheel make in order to keep a speed of 66 kmph?
(a)
200
(b)
250
(c)
300
(d)
350
Question ID - 50571 | SaraNextGen Top Answer
The diameter of the driving wheel of a bus is 140 cm. Hoe many revolutions per minute must the wheel make in order to keep a speed of 66 kmph?
(a)
200
(b)
250
(c)
300
(d)
350
|
The diameter of the driving wheel of a bus is 140 cm. Hoe many revolutions per minute must the wheel make in order to keep a speed of 66 kmph? |
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|
(a) |
200 |
(b) |
250 |
(c) |
300 |
(d) |
350 |
1 Answer
127 votes
Answer Key / Explanation : (b) -
Distance covered in 1 revolution = 
cm.
No. of revolutions made in 1 hr. = 
127 votes
Answer Link
127