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The driver of an ambulance sees a school bus 40 meters ahead of him. After 20 seconds, the school bus is 60 meters behind. If the speed of the ambulance is 30 km/hr, then what is the speed of the school bus?
  • a)
    10 km/hr.
  • b)
    12 km/hr.
  • c)
    15 km/hr.
  • d)
    22 km/hr.
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
The driver of an ambulance sees a school bus 40 meters ahead of him. ...
Relative Speed,
= (Total.distance/Total.time)
=60+40/20
= 5 m/s =5×18/5 = 18 kmph
Relative Speed = (speed of ambulance - speed of school bus)
Speed of school bus = speed of ambulance - relative speed.
= 30-18 = 12 kmph.
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The driver of an ambulance sees a school bus 40 meters ahead of him. After 20 seconds, the school bus is 60 meters behind. If the speed of the ambulance is 30 km/hr, then what is the speed of the school bus?a)10 km/hr.b)12 km/hr.c)15 km/hr.d)22 km/hr.Correct answer is option 'B'. Can you explain this answer?
Question Description
The driver of an ambulance sees a school bus 40 meters ahead of him. After 20 seconds, the school bus is 60 meters behind. If the speed of the ambulance is 30 km/hr, then what is the speed of the school bus?a)10 km/hr.b)12 km/hr.c)15 km/hr.d)22 km/hr.Correct answer is option 'B'. Can you explain this answer? for Railways 2024 is part of Railways preparation. The Question and answers have been prepared according to the Railways exam syllabus. Information about The driver of an ambulance sees a school bus 40 meters ahead of him. After 20 seconds, the school bus is 60 meters behind. If the speed of the ambulance is 30 km/hr, then what is the speed of the school bus?a)10 km/hr.b)12 km/hr.c)15 km/hr.d)22 km/hr.Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Railways 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for The driver of an ambulance sees a school bus 40 meters ahead of him. After 20 seconds, the school bus is 60 meters behind. If the speed of the ambulance is 30 km/hr, then what is the speed of the school bus?a)10 km/hr.b)12 km/hr.c)15 km/hr.d)22 km/hr.Correct answer is option 'B'. Can you explain this answer?.
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