Time and Distance
|
of its actual speed covers 42 km in 1 hr 40 min 48 sec. Find the actual speed of the car.
| 17 | 6 | km/hr |
| 7 |
B
25 km/hr
C
30 km/hr
D
35 km/hr
ANS:D - 35 km/hr
| Time taken = 1 hr 40 min 48 sec = 1 hr 40 | 4 | min = 1 | 51 | hrs = | 126 | hrs. |
| 5 | 75 | 75 |
| Then, | 5 | x x | 126 | = 42 |
| 7 | 75 |
 x = |
 |
42 x 7 x 75 |  |
= 35 km/hr. |
| 5 x 126 |
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