Aptitude - Time and Distance - Discussion
Discussion Forum : Time and Distance - General Questions (Q.No. 10)
10.
A car travelling with 
of its actual speed covers 42 km in 1 hr 40 min 48 sec. Find the actual speed of the car.
of its actual speed covers 42 km in 1 hr 40 min 48 sec. Find the actual speed of the car.
Answer: Option
Explanation:
| Time taken = 1 hr 40 min 48 sec = 1 hr 40 | 4 | min = 1 | 51 | hrs = | 126 | hrs. |
| 5 | 75 | 75 |
Let the actual speed be x km/hr.
| Then, | 5 | x x | 126 | = 42 |
| 7 | 75 |
 x = |
 |
42 x 7 x 75 |  |
= 35 km/hr. |
| 5 x 126 |
Discussion:
117 comments Page 11 of 12.
Bhavana said:
1 decade ago
42/1.68 is 25 km/hr.
Rajesh said:
5 years ago
5/7 = 5\X*7/X = 35X.
Rahul said:
1 decade ago
From where 5/7came?
Shreyas said:
9 years ago
Thanks @Siddharth.
Hareesh said:
8 years ago
Thanks @Siddharth.
Kazi faruque said:
8 years ago
Thanks @Siddharth.
Murali Krishna said:
8 years ago
Thanks @Siddharth.
Kittu said:
8 years ago
Thanks @Siddharth.
Vijay said:
3 years ago
Thanks @Siddharth.
(4)
Mitali said:
1 decade ago
Thanks Siddharth.
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