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A Boat covers upstream in 12 Hours 48 minutes to travel distance from Point A to B, while it takes 6 hours to cover 3/4th of the same distance running downstream. The speed of the current is 15 Km/hr. The boat covered both forward distance from A to B and backward distance from B to A. Then what is the distance between A and B?
  • a)
    360 Km
  • b)
    480 Km
  • c)
    540 Km
  • d)
    640 Km
  • e)
    Cannot be determined
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
A Boat covers upstream in 12 Hours 48 minutes to travel distance from ...
Answer – 4. 640 Km Explanation : (S+R)*8 = (S-R)*64/5
S:R = 13:3
R = 15 S = 65
D = (65+15) *8 = 640
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Most Upvoted Answer
A Boat covers upstream in 12 Hours 48 minutes to travel distance from ...
Given:
Upstream time = 12 hours 48 minutes = 12.8 hours
Downstream time = 6 hours
Speed of current = 15 km/hr

Let the speed of the boat be x km/hr and the distance between A and B be d km

Calculations:
1. Speed of boat upstream:
(x - 15) km/hr

2. Speed of boat downstream:
(x + 15) km/hr

3. Using the formula, speed = distance/time
- Distance covered upstream = d km
- Time taken upstream = 12.8 hours
- Distance covered downstream = 3/4 * d km
- Time taken downstream = 6 hours

4. Equations:
- d = (x - 15) * 12.8
- 3/4d = (x + 15) * 6

5. Solving the equations:
- d = 640 km

Therefore, the distance between A and B is 640 km.
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Community Answer
A Boat covers upstream in 12 Hours 48 minutes to travel distance from ...
(S+R)*8 = (S-R)*64/5
S:R = 13:3
R = 15 S = 65
D = (65+15) *8 = 640
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A Boat covers upstream in 12 Hours 48 minutes to travel distance from Point A to B, while it takes 6 hours to cover 3/4th of the same distance running downstream. The speed of the current is 15 Km/hr. The boat covered both forward distance from A to B and backward distance from B to A. Then what is the distance between A and B?a)360 Kmb)480 Kmc)540 Kmd)640 Kme)Cannot be determinedCorrect answer is option 'D'. Can you explain this answer? for Banking Exams 2025 is part of Banking Exams preparation. The Question and answers have been prepared according to the Banking Exams exam syllabus. Information about A Boat covers upstream in 12 Hours 48 minutes to travel distance from Point A to B, while it takes 6 hours to cover 3/4th of the same distance running downstream. The speed of the current is 15 Km/hr. The boat covered both forward distance from A to B and backward distance from B to A. Then what is the distance between A and B?a)360 Kmb)480 Kmc)540 Kmd)640 Kme)Cannot be determinedCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Banking Exams 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A Boat covers upstream in 12 Hours 48 minutes to travel distance from Point A to B, while it takes 6 hours to cover 3/4th of the same distance running downstream. The speed of the current is 15 Km/hr. The boat covered both forward distance from A to B and backward distance from B to A. Then what is the distance between A and B?a)360 Kmb)480 Kmc)540 Kmd)640 Kme)Cannot be determinedCorrect answer is option 'D'. Can you explain this answer?.
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