Question : A train of length 342 m is running at 54 km/hr. In how much time (in seconds) will it cross a bridge of length 438 m?
Option 1: 48
Option 2: 50
Option 3: 54
Option 4: 52
Answer (1)
24th Jan, 2024
Correct Answer: 52
Solution :
Given: Speed of train = 54 km/hr
= $54 \times \frac{5}{18}$ = 15 m/s
Length of bridge = 438 m
Total distance = train length + bridge length
Total length = 342 + 438 = 780
So, the required time = $\frac{780}{15}$ = 52 sec
Hence, the correct answer is 52.
Comments (0)
Related Questions
Know More about
Staff Selection Commission Sub Inspector ...
Result | Eligibility | Application | Selection Process | Cutoff | Admit Card | Preparation Tips
Get Updates Brochure
Thank You!
Your Staff Selection Commission Sub Inspector Exam brochure has been successfully mailed to your registered email id “”.
Upcoming Exams
Mains Exam
Admit Card Date:
23 Nov, 2024
- 30 Nov, 2024
Admit Card Date:
18 Nov, 2024
- 1 Dec, 2024
Application Date:
1 Dec, 2024
Exam Date:
1 Dec, 2024
- 1 Dec, 2024
Application Date:
1 Aug, 2024
- 2 Dec, 2024
