Question
Speed of a boat in still water is 10 kmph and speed of
stream is 6 kmph. A man rows to a place at a distance of 32 km and come back to starting point. The total time taken by him is:Solution
Rate upstream = 10 – 6 = 4 kmph Rate downstream = 10 + 6 = 16 kmph Time taken to go upstream = 32/4 = 8 hr Time taken to go downstream = 32/16 = 2 hr Total time = 8 + 2 = 10 hrs
More Boats and streams Questions
- Select the number from among the given options that can replace the question mark (?) in the following series.
17, 18, 22, 31, 47, ___ - Which letter and number cluster will replace the question mark (?) to complete the given series?
LT6, KU12, IW24, FZ48, ____ - A series is given with one term missing. Choose the correct alternatives from the given ones that will complete the series.
57, 59, 56, 61, 54, ___ - Which letter-cluster will replace the question mark (?) in the following series?
RGV, UME, ?, AYW, DEF - Which letter-cluster will replace the question mark (?) in the following series?
NPQR, OORQ, PNSP, ____, RLUN