Time and Distance - Handout 3
1)
The speed of a man in still water is
10 km/h and his downstream speed is 14 km/h . Find the speed of stream?
a)2 km/h b)3
km/h c)4 km/h d)6 km/h
2)
A man can swim in downstream at 15 km/h
and speed of stream is 3 km/h . What is his speed in upstream?
a)8 km/h b)9
km/h c)12 km/h d)10 km/h
3)
The speed of a boat in still water is
8 km/h and it can in upstream at a speed of 5 km/h . What is the speed of boat
in downstream?
a)8 km/h b)10 km/h c)11 km/h d)15 km/h
4)
A man rows down a river 40km in 5
hours and rows up a river 21 km in 7 hours. Find the speed of man and river?
a)5.5
km/h , 2.5 km/h b)4 km/h
, 2 km/h
c)8 km/h , 3 km/h d)10 km/h ,4 km/h
5)
A swimmer covers a distance of 28 km
against the stream and 40 km in the direction of stream. If in each case he takes
4 hours, then what is the speed of the stream?
a)5 km/h b)4 km/h c)2.5
km/h d)1.5 km/h
6)
A boat can row 9 km/h in still water
and the water flow at 3 km/h. If it takes 6 hours to row to a place and back. What
the distance between two places?
a)16 km b)20 km c)24 km d)32km
7)
Total time taken by a boat travelling
from A to B and B to A, is 1 hour 4 minutes. Speed of the boat in still water
is 12 kmph and speed of the current is 3 kmph. What is the distance from A to B
?
a)6 km b)14 km c)10km d)4 km
8) A man can row 12 km/h in still water. If takes him
twice as long to row up as to row down the river. Find the rate of stream.
a)2 km/h b)3 km/h c)4
km/h d)6 km/h
9) If
upstream speed of a man in a boat is 40% of the downstream speed and the man
covers 18km upstream in 3 hours. How much distance the man will cover in 5 hours
while travelling downstream?
a)54 km b)45 km c)75
km d)100km
10) The
ratio of speed of a motor boat and the current is 36:5. The boat goes along
with the current in 5 hours 10 min. It will come back in
a)5h50 min b)6h c)6h50min d)12h10min
