Teaching NVS Junior Secretariat Assistant (JSA) Mock Test 2024 Quantitative Aptitude Speed Time and Distance Boat and River
A steamer running downstream covers a distance of 30 km in 2 hours. While coming back the steamer takes 6 hours to cover the same distance. If the speed of the current is half of that of the steamer, then find the speed of the steamer in kmph.
1
10 kmph
2
12 kmph
3
18 kmph
4
20 kmph