a man can row 18 kmph in still water.it takes him thrice as long to row up as to row down the river. Find the rate of stream.
6 km/hr.
7 km/hr.
8 km/hr.
9 km/hr.
D. 9 km/hr.
x=18 or x=9.
Rate upstream=9 km/hr, rate downstream=27 km/hr.
Hence, rate of stream=1/2(27-9)km/hr=9 km/hr.
2.5 km/hr
4.2 km/hr
5 km/hr
10.5 km/hr
2:1
3:2
8:3
None of these
2:1
3:1
3:2
4:3
40 minutes
1 hours
1 hr 15 min
1 hr 30 min
1 km/hr.
1.5 km/hr.
3.2 km/hr.
3.5 km/hr.
4 km/hr
6 km/hr
8 km/hr
Data inadequate
a man can row 18 kmph in still water.it takes him thrice as long to row up as to row down the river. Find the rate of stream.
6 km/hr.
7 km/hr.
8 km/hr.
9 km/hr.
2 km
3 km
4km
5km
3
5
8
9
1km/hr
2km/hr
3km/hr
4km/hr
1
2
5 km/hr
4 km/hr
3 km/hr
1km/hr
2
3
4
5
18 km/hr
23 km/hr
22 km/hr
28 km/hr