# Quiz Discussion

A man's speed with the current is 15 km/hr and the speed of the current is 2.5 km/hr. The man's speed against the current is:

Course Name: Quantitative Aptitude

• 1]

8.5 km/hr

• 2]

9 km/hr

• 3]

10 km/hr

• 4]

12.5 km/hr

##### Solution
No Solution Present Yet

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# Quiz
1
Discuss

A boat travels 24 km upstream in 6 hours and 20 km downstream in 4 hours. Then the speed of boat in still water and the speed of current are respectively.

• 1] 4 kmph and 3 kmph
• 2] 4.5 kmph and 0.5 kmph
• 3] 4 kmph and 2 kmph
• 4] 5 kmph and 2 kmph
##### Solution
2
Discuss

In one hour, a boat goes 11 km/hr along the stream and 5 km/hr against the stream. The speed of the boat in still water (in km/hr) is:

• 1]

3 km/hr

• 2]

5 km/hr

• 3]

8 km/hr

• 4]

9 km/hr

##### Solution
3
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
4
Discuss

A boat moves downstream at the rate of 1 km in $${ \text{7}}\frac{1}{2}$$ minutes and upstream at the rate of 5 km an hour. What is the speed of the boat in the still water?

• 1]

8 km/hour

• 2]

$${ \text{6}}\frac{1}{2}$$ km/hour

• 3]

4 km/hour

• 4]

$${ \text{3}}\frac{1}{2}$$ km/hour

##### Solution
5
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
6
Discuss

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?

• 1] 40 mph
• 2] 48 mph
• 3] 50 mph
• 4] 55 mph
##### Solution
7
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
8
Discuss

A boat running upstream takes 8 hours 48 minutes to cover a certain distance, while it takes 4 hours to cover the same distance running downstream. What is the ratio between the speed of the boat and speed of the water current respectively?

• 1]

2:1

• 2]

3:2

• 3]

8:3

• 4]

None Of These

##### Solution
9
Discuss

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?

• 1] 4 kmph
• 2] 6 kmph
• 3] 8 kmph
• 4] Data inadequate
• 5] None of these
##### Solution
10
Discuss

A man can row at a speed of $$4\frac{1}{2}$$ km/hr in still water. If he takes 2 times as long to row a distance upstream as to row the same distance downstream, then the speed of stream (in km/hr) is-

• 1] 1
• 2] 1.5
• 3] 2
• 4] 2.5
# Quiz