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A boat can travel the same distance in one-third as much time during downstream as it can in upstream. If the time taken by the boat to reach its destination 60 km away in downstream is 2 hr, what is the time taken by the boat to cover 80 km in upstream?
  • a)
    7 hrs
  • b)
    7.5 hrs
  • c)
    6.5 hrs
  • d)
    8 hrs
  • e)
    8.5 hrs
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
A boat can travel the same distance in one-third as much time during ...
Let the distance to be covered is 'd' km. Let the still water speed of the boat and the stream speed be 'r' km/hr.
Given,
d/(b + r) = (1/3)*d/(b - r)
=> b = 2r
Also, 60/(b + r) = 2
=> 30/3r = 2
=> r = 10
b = 20
Time taken by the boat to cover 80 km in upstream = 80/(20 - 10) = 8 hrs
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A boat can travel the same distance in one-third as much time during downstream as it can in upstream. If the time taken by the boat to reach its destination 60 km away in downstream is 2 hr, what is the time taken by the boat to cover 80 km in upstream?a)7 hrsb)7.5 hrsc)6.5 hrsd)8 hrse)8.5 hrsCorrect answer is option 'D'. Can you explain this answer?
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A boat can travel the same distance in one-third as much time during downstream as it can in upstream. If the time taken by the boat to reach its destination 60 km away in downstream is 2 hr, what is the time taken by the boat to cover 80 km in upstream?a)7 hrsb)7.5 hrsc)6.5 hrsd)8 hrse)8.5 hrsCorrect answer is option 'D'. Can you explain this answer? for CAT 2024 is part of CAT preparation. The Question and answers have been prepared according to the CAT exam syllabus. Information about A boat can travel the same distance in one-third as much time during downstream as it can in upstream. If the time taken by the boat to reach its destination 60 km away in downstream is 2 hr, what is the time taken by the boat to cover 80 km in upstream?a)7 hrsb)7.5 hrsc)6.5 hrsd)8 hrse)8.5 hrsCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for CAT 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A boat can travel the same distance in one-third as much time during downstream as it can in upstream. If the time taken by the boat to reach its destination 60 km away in downstream is 2 hr, what is the time taken by the boat to cover 80 km in upstream?a)7 hrsb)7.5 hrsc)6.5 hrsd)8 hrse)8.5 hrsCorrect answer is option 'D'. Can you explain this answer?.
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