11 . The speed of a boat downstream is 15 km/hr and the speed of current is 3 km/hr. Find the total time taken by the boat to cover 15 km upstream and 15 km downstream.
12 .The speed of a boat in still water is 10 km/hr. If it can travel 26 km downstream and 14 km upstream at the same time, the speed of the stream is?
13. A man row to a place 48 km distant and back on 14 hours text. 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?
14 . If the speed of a boat in still water is 20km/hr and the speed of the current is 5km, then the time taken by the boat to travel 100 km with the current is?
15 . A man takes 2.2 times as long to row a distance upstream as to row the same distance downstream. If he can row 55 km downstream in 2 hour 30 minutes, what is the speed of the boat in the still water?
16 . A boat can tarvel 36 km upstream in 5 hours. If the speed of the stream is 2.4 kmph, how much time will the boat take to cover a distance of 78 km downstream?(in hours)
17 . The speed of the boat in still water is 5 times that of current, it takes 1.1 hour to row to point B from point A downstream. The distance between point A and point B is 13.2 km. How much distance (in km) will it cover in 312 minutes upstrem?
18 . A man can row upstream at 12km/hr and downstream at 18 km/hr. The man rowing speed in still water is?
19 . On a river , Q is the mid - point between two points P and R on the same bank of the river. A boat can go from P to Q and back in 12 hours, and from P to R in 16 hours 40 minutes. How long would it take to go from R to P?
- 2 hour 43 min
- 2 hour 40 min
- 3 hour 56 min
- 3 hour 60 min
12 .The speed of a boat in still water is 10 km/hr. If it can travel 26 km downstream and 14 km upstream at the same time, the speed of the stream is?
- 5 km/hr
- 3 km/hr
- 6.7 km/hr
- 8 km/hr
13. A man row to a place 48 km distant and back on 14 hours text. 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?
- 5 km/hr
- 1 km/hr
- 6.3 km/hr
- 7.5 km/hr
14 . If the speed of a boat in still water is 20km/hr and the speed of the current is 5km, then the time taken by the boat to travel 100 km with the current is?
- 3 hours
- 4 hours
- 8 hours
- 10 hours
15 . A man takes 2.2 times as long to row a distance upstream as to row the same distance downstream. If he can row 55 km downstream in 2 hour 30 minutes, what is the speed of the boat in the still water?
- 43 km/hr
- 16 km/hr
- 4 km/hr
- 8 km/hr
16 . A boat can tarvel 36 km upstream in 5 hours. If the speed of the stream is 2.4 kmph, how much time will the boat take to cover a distance of 78 km downstream?(in hours)
- 5.7 hr
- 6.8 hr
- 6.5 hr
- 2.6 hr
17 . The speed of the boat in still water is 5 times that of current, it takes 1.1 hour to row to point B from point A downstream. The distance between point A and point B is 13.2 km. How much distance (in km) will it cover in 312 minutes upstrem?
- 41.8 km
- 41 km
- 41.6 km
- 50 km
18 . A man can row upstream at 12km/hr and downstream at 18 km/hr. The man rowing speed in still water is?
- 5 km/hr
- 15 km/hr
- 30 km/hr
- 10 km/hr
19 . On a river , Q is the mid - point between two points P and R on the same bank of the river. A boat can go from P to Q and back in 12 hours, and from P to R in 16 hours 40 minutes. How long would it take to go from R to P?
- 7(1/3) hr
- 7(6/7) hr
- 4 hr
- 6(5/6) hr
20 . A boat while dowenstream in a reiver converd a distance of 50 miles at an average speed of 60 miles per hour. While returning , because of the water resistance , it took 1 hour 15 minutes to cover the same distance What was the average speed during the whole journey?
![Mortal Kombat X Mod Apk v3.5.0 [ Unlimited Souls/ Unimited Money] Latest Update](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgk5OxhBWtSa6LfICLjGCybaHp_uCYkBdJdMSJIZnPAl4wp-QTrAMg4NZedr6B-w4g9Svumso9frFzoYXZuplbU9DB5EWX8MgKuf5jlMKR3c0Xa67cuckhlnspdrMSoZ3iE0tRuDwe1CPZD/w100/)
0 Comments