Question : A goods train 350 m long passes through a tunnel of 1250 m in 80 seconds. What is the speed of the train?
Option 1: 72 km/hr
Option 2: 64 km/hr
Option 3: 78 km/hr
Option 4: 56 km/hr
Answer (1)
16th Jan, 2024
Correct Answer: 72 km/hr
Solution :
Total distance = 350 + 1250 = 1600 m
Total time = 80 s
Speed = $\frac{\text{total distance}}{\text{total time}}$
= $\frac{1600}{80}$
= 20 m/s
= $20 × \frac{18}{5}$
= 4 × 18
= 72 km/hr
Hence, the correct answer is 72 km/hr.
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
Application Date:
27 Dec, 2024
- 16 Jan, 2025
Admit Card Date:
26 Dec, 2024
- 20 Jan, 2025
Application Date:
1 Dec, 2024
- 30 Dec, 2024
Admit Card Date:
23 Dec, 2024
- 5 Jan, 2025
Application Date:
17 Dec, 2024
- 1 Jan, 2025
