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Aravind and Biswanath start at the same time from their hostel and go to the ground with speeds of 30 km/h and 60 km/h, respectively. If Aravind takes 20 minutes longer than Biswanath to reach the ground, then find the distance between their hostel and the ground.
  • a)
    28 km
  • b)
    34 km
  • c)
    40 km
  • d)
    20 km
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
Aravind and Biswanath start at the same time from their hostel and go ...
The speed of Aravind = 30 kmph
The speed of Biswanath = 60 kmph
Let the time take by Biswanath = X hours
Implies, the time taken by Aravind = X hours + 20 minutes = (X + 1/3) hours
Now,
Speed × Time = Distance
30 × (X + 1/3) = 60 × X 
⇒ 30X + 10 = 60X
⇒ 30X = 10
⇒ X = 1/3 hours = 20 minutes
Distance = 1/3 × 60 = 20 km
Hence, the distance between the hostel and the ground is 20 km.
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Aravind and Biswanath start at the same time from their hostel and go to the ground with speeds of 30 km/h and 60 km/h, respectively. If Aravind takes 20 minutes longer than Biswanath to reach the ground, then find the distance between their hostel and the ground.a)28 kmb)34 kmc)40 kmd)20 kmCorrect answer is option 'D'. Can you explain this answer? for SSC CGL 2025 is part of SSC CGL preparation. The Question and answers have been prepared according to the SSC CGL exam syllabus. Information about Aravind and Biswanath start at the same time from their hostel and go to the ground with speeds of 30 km/h and 60 km/h, respectively. If Aravind takes 20 minutes longer than Biswanath to reach the ground, then find the distance between their hostel and the ground.a)28 kmb)34 kmc)40 kmd)20 kmCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for SSC CGL 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Aravind and Biswanath start at the same time from their hostel and go to the ground with speeds of 30 km/h and 60 km/h, respectively. If Aravind takes 20 minutes longer than Biswanath to reach the ground, then find the distance between their hostel and the ground.a)28 kmb)34 kmc)40 kmd)20 kmCorrect answer is option 'D'. Can you explain this answer?.
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