# Quiz Discussion

a man can row 8 km/hr in still water and he find that it takes thrice as long to row upstream as to row downstream to the same point. What is the speed of the current?

Course Name: Quantitative Aptitude

• 1]

1 kmph

• 2]

2 kmph

• 3]

3 kmph

• 4]

4 kmph

##### Solution
No Solution Present Yet

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# Quiz
1
Discuss

A boat takes 90 minutes less to travel 36 miles downstream than to travel the same distance upstream. If the speed of the boat in still water is 10 mph, the speed of the stream is:

• 1] 2 mph
• 2] 2.5 mph
• 3] 3 mph
• 4] 4 mph
• 5] None of these
##### Solution
2
Discuss

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?

• 1]

$${ \text{3}}\frac{3}{7}$$ hr

• 2]

5 hr

• 3]

$${ \text{6}}\frac{2}{3}$$ hr

• 4]

$${ \text{7}}\frac{1}{3}$$ hr

##### Solution
3
Discuss

A man rows 12 km in 5 hours against the stream and the speed of current being 4 kmph. What time will be taken by him to row 15 km with the stream?

• 1]

1 hour $${ \text{27}}\frac{7}{{13}}$$ minutes

• 2]

1 hour $${ \text{24}}\frac{7}{{13}}$$ minutes

• 3]

1 hour $${ \text{25}}\frac{7}{{13}}$$ minutes

• 4]

1 hour $${ \text{26}}\frac{7}{{13}}$$ minutes

##### Solution
4
Discuss

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:

• 1] 1.2 km
• 2] 1.8 km
• 3] 2.4 km
• 4] 3.6 km
• 5] None of these
##### Solution
5
Discuss

A man can row three-quarters of a kilometer against the stream in $$11\frac{1}{4}$$ minutes and down the stream in $$7\frac{1}{2}$$ minutes. The speed (in km/hr) of the man in still water is:

• 1] 2
• 2] 3
• 3] 4
• 4] 5
##### Solution
6
Discuss

A boat can travel with a speed of 13 km/hr in still water. If the speed of the stream is 4 km/hr, find the time taken by the boat to go 68 km downstream.

• 1]

2 hours

• 2]

3 hours

• 3]

4 hours

• 4]

5 hours

##### Solution
7
Discuss

The speed of a boat along the stream is 12 km/hr and against the stream is 8 km/hr. The time taken by the boat to sail 24 km in still water is?

• 1] 2 hrs
• 2] 3 hrs
• 3] 2.4 hrs
• 4] 1.2 hrs
##### Solution
8
Discuss

A man can row 6 km/hr in still water. If the speed of the current is 2 km/hr he takes 4 hours more in upstream than the downstream. The distance is?

• 1] 30 km
• 2] 24 km
• 3] 20 km
• 4] 32 km
##### Solution
9
Discuss

A boat takes half time in moving a certain distance downstream than upstream. The ratio of the speed of the boat in still water and that of the current is?

• 1] 2 : 1
• 2] 4 : 3
• 3] 1 : 2
• 4] 3 : 1
##### Solution
10
Discuss

Speed of a boat in standing water is 9 kmph and the speed of the stream is 1.5 kmph. A man rows to a place at a distance of 105 km and comes back to the starting point. The total time taken by him is:

• 1] 16 hours
• 2] 18 hours
• 3] 20 hours
• 4] 24 hours
# Quiz