speed of a boat in standing water is 7 km/hr and the speed of the stream is 1.5 km/hr. A distance of 7.7 km. going upstream is covered in ?

speed of a boat in standing water is 7 km/hr and the speed of the stre

1.	speed of a boat in standing water is 7 km/hr and the speed of the stream is 1.5 km/hr. A distance of 7.7 km. going upstream is covered in ?
A.	1 hr. 15 min.
B.	1 hr. 12 min.
C.	1 hr. 24 min.
D.	2 hr. 6 min.
Answer» D. 2 hr. 6 min.

Discussion

No Comment Found

Related MCQs

A boat covers a certain distance downstream in 1 hour, while it comes back in 1 hours. If the speed of the stream be 3 kmph, what is the speed of the boat in still water?
A man can row three-quarters of a kilometre against the stream in 11 minutes and down the stream in 7 minutes. The speed (in km/hr) of the man in still water is:
A boat covers a certain distance downstream in 1 hour, while it comes back in 1 hours. If the speed of the stream be 3 kmph, what is the speed of the boat in still water?
A man can row three-quarters of a kilometre against the stream in 11 minutes and down the stream in 7 minutes. The speed (in km/hr) of the man in still water is:
A man can row three quarters of a kilometre against the stream in 11<sup>1</sup>/ <sub>4</sub> minutes and return in 7<sup>1</sup>/ <sub>2</sub> minutes. The speed of the man in still water is ?
A person can row a boat d km upstream and the same distance downstream <table><tr><td rowspan="2">in 5</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2"> hrs Also he can row the boat 2d km upstream in 7 hours. He will row the </td></tr><tr><td style="text-align: center;">4</td></tr></table><br> same distance downstream in
A man can swim at the rate of 4 km/hr in still water. If the speed of the water is 2 km/hr, then the time taken by him to swim 10 km upstream is
<table><tr><td rowspan="2">A boat moves downstream at the rate of 1 km in 7</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2">minutes and upstream at the </td></tr><tr><td style="text-align: center;">2</td></tr></table> rate of 5 km an hour. What is the speed of the boat in the still water?
<table><tr><td rowspan="2">A person can row 7</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>1</center></td><td rowspan="2"> km an hour in still water and he finds </td></tr><tr><td style="text-align: center;">2</td></tr></table><br>that it takes him twice as long to row up as to row down the river. The speed of the stream is :
A boat covers 24 km upstream and 36 km downstream in 6 hours while it covers 36 km upstream and 24 km downstream in 6<sup>1</sup>/<sub>2</sub> hours. The velocity of the current is ?

speed of a boat in standing water is 7 km/hr and the speed of the stream is 1.5 km/hr. A distance of 7.7 km. going upstream is covered in ?

Discussion

No Comment Found

Related MCQs

Reply to Comment