41.
|
A man rows to a place 48 km distance and back in
14 hours. He finds that he can row 4 km with the stream in the same time as 3
km against the stream. The rate of the stream is:
|
|
·
A. 1 km/hr
·
B. 2.5 km/hr
·
C. 3 km/hr
·
D. 4 km/hr
|
42.A
boat running downstream covers a distance of 16 km in 2 hours while for
covering the same distance upstream, it takes 4 hours. What is the speed of the
boat in still water?
A. 4 km/hr B. 6 km/hr
C. 8 km/hr D. Data inadequate
43.
|
There
is a road beside a river.Two friends started from a place A, moved to a
temple situated at another place B and then returned to A again. One of them
moves on a cycle at a speed of 12 km/hr, while the other sails on a boat at a
speed of 10 km/hr. If the river flows at the speed of 4 km/hr, which of the
two friends will return to place A first ?
|
|
A. 5.4 km /hr
|
B. 7.2 km /hr
|
|
|
C.
8.4 km/hr
|
D. 9.6 km /hr
|
|
44.
|
The speed of a boat in still water is 10 km/hr. If
it can travel 26 km downstream and 14 km upstream in the same time, the speed
of the stream is:
|
|
·
A. 1 km/hr
·
B. 1.5 km/hr
·
C. 2 km/hr
·
D. 3 km/hr
|
45.A
man rows to a place 48 km distant and back in 14 hours. He finds that he can
row 4 km with the stream in the same time as 3 km against the stream. The rate
of the stream is:
[A]
1 km/hr
[C]
1.8 km/hr
[B]
1.5 km/hr
[D]
3.5 km/hr
|
46.
|
A boat covers a certain distance downstream in 1
hour, while it comes back in 1½ hours. If the speed of the stream be 3 kmph,
what is the speed of the boat in still water?
|
|
·
A. 12
kmph
·
B. 13
kmph
·
C. 14
kmph
·
D. 15
kmph
|
47.A
boat running downstream covers a distance of 16 km in 2 hours while for
covering the same distance upstream, it takes 4 hours. What is the speed of the
boat in still water?
[A]
4 km/hr
[C]
8 km/hr
[B]
6 km/hr
[D]
Data inadequate
48.
|
In
one hour, a boat goes 11 km along the stream and 5 km against the stream. The
speed of the boat in still water in ( km/hr) is
|
|
A. 3
|
B. 5
|
|
|
C.
8
|
D. 9
|
|
49.
The speed of a boat in still water in 15 km/hr and the rate of current is 3
km/hr. The distance travelled downstream in 12 minutes is:
A. 1.2 km B. 1.8 km
C. 2.4 km D. 3.6 km
View Answer and Explanation:
|
|
|
|
|
|
|
| | 50.River
is running at 3 kmph. It takes a man twice as long to row up as to row down the
river. The rate of the man in still water is: |
[A]
12
[C]
15
[B]
10
[D]
18
