Question : A man goes from A to B at a speed of 200 km/hr and comes back to A at a speed of 300 km/hr. Find his average speed for the entire journey.
Option 1: 264 km/hr
Option 2: 345 km/hr
Option 3: 340 km/hr
Option 4: 240 km/hr
Answer (1)
25th Jan, 2024
Correct Answer: 240 km/hr
Solution :
$S_1$ = 200 km/hr
$S_2$ = 300 km/hr
Average speed
= $\frac{2S_1S_2}{S_1+S_2}$
= $\frac{2×200×300}{200+300}$
= $\frac{120000}{500}$
= $240$ km/hr
Hence, the correct answer is 240 km/hr.
Comments (0)
Related Questions
Know More about
Staff Selection Commission Multi Tasking ...
Application | Cutoff | Selection Process | Preparation Tips | Eligibility | Exam Pattern | Admit Card
Get Updates Brochure
Thank You!
Your Staff Selection Commission Multi Tasking Staff Exam brochure has been successfully mailed to your registered email id “”.
Upcoming Exams
Preliminary Exam
Result Date:
21 Nov, 2024
- 28 Nov, 2024
Admit Card Date:
21 Nov, 2024
- 6 Dec, 2024
Mains Exam
Exam Date:
14 Dec, 2024
- 14 Dec, 2024
Exam Date:
19 Dec, 2024
- 29 Dec, 2024
Tier II
Exam Date:
18 Jan, 2025
- 20 Jan, 2025
