Please enter the following details
Free Daily Targets & Mocks
Study Material & Formulas PDFs
1 on 1 Mentorship
Question 71
The speed of a ship in still water is 5 km/hr and the speedof the stream is 2km/hr. Rohan rows to place at a distance of 21 km and comes back to the starting point. The total time taken by him is:
Solution
Speed of upstream =5-2=3 km/hr
Speed of downstream=5+2=7 km/hr
Total time of journey=(21/3)+(21/7)
=7+3
=10 hours
Create a FREE account and get:
- Free SSC Study Material - 18000 Questions
- 230+ SSC previous papers with solutions PDF
- 100+ SSC Online Tests for Free
