Quiz Discussion

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:

Course Name: Quantitative Aptitude

• 1]

3 km/hr

• 2]

5 km/hr

• 3]

8 km/hr

• 4]

9 km/hr

Solution
No Solution Present Yet

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# Quiz
1
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
2
Discuss

There is a road beside a river. Two friends started from a place A moved to a temple situated at another place B and then returned to A again. One of them moves on a cycle at a speed of 12 km/hr, while the other sails at a speed of 10km/hr. If the river flows at a speed of 4km/hr, which of the two friends will return to place A first.

• 1]

7.4 km/h

• 2]

8.4 km/h

• 3]

2.3 km/h

• 4]

8.6 km/h

Solution
3
Discuss

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?

• 1] 1 km/hr
• 2] 1.5 km/hr
• 3] 1.8 km/hr
• 4] 3.5 km/hr
Solution
4
Discuss

A motorboat, whose speed in 15 km/hr in still water goes 30 km downstream and comes back in a total of 4 hours 30 minutes. The speed of the stream (in km/hr) is:

• 1]

4

• 2]

5

• 3]

6

• 4]

10

Solution
5
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
6
Discuss

A man can row three quarters of a kilometers against the stream in 11 1/4 minutes and return in 7 1/2​ minutes.The speed of the man in still water is

• 1]

2 km/h

• 2]

3 km/h

• 3]

4 km/h

• 4]

5 km/h

Solution
7
Discuss

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)

• 1] 5 hours
• 2] 6.5 hours
• 3] 5.5 hours
• 4] 8 hours
Solution
8
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
9
Discuss

P, Q and R are three towns on a river which flows uniformly. Q is equidistant from P and R. I row from P to Q and back in 10 hours and I can row from P to R in 4 hours. Compare the speed of my boat in still water with that of the river.

• 1] 4 : 3
• 2] 5 : 3
• 3] 6 : 5
• 4] 7 : 3
Solution
10
Discuss

A man rows to a place 48 km distant and come back in 14 hours. 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:

• 1] 1 km/hr
• 2] 1.5 km/hr
• 3] 2 km/hr
• 4] 2.5 km/hr
# Quiz