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Two bikes are moving with speeds m km/h and n km/h towards a crossing along two perpendicular roads. If their distances from the crossing be 60 meters and 70 meters respectively at an instant of time then they do not collide if their speeds are such that
  • a)
    m : n ≠ 6 : 7
  • b)
    m : n ≠ 7 : 6
  • c)
    m : n ≠ 36 : 49
  • d)
    m : n ≠ 12 : 14
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
Two bikes are moving with speeds m km/h and n km/h towards a crossing ...
Since the bikes should not be collided, the time taken by bikes to cover the distance to reach the junction should not be the same.
⇒ tm ≠ tn ⇒ 60/m ≠ 70/n ⇒ m/n ≠ 6/7
∴ Ratio of speeds should not be equal to 6/7.
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Two bikes are moving with speeds m km/h and n km/h towards a crossing along two perpendicular roads. If their distances from the crossing be 60 meters and 70 meters respectively at an instant of time then they do not collide if their speeds are such thata)m : n ≠ 6 : 7b)m : n ≠ 7 : 6c)m : n ≠ 36 : 49d)m : n ≠ 12 : 14Correct answer is option 'A'. Can you explain this answer?
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Two bikes are moving with speeds m km/h and n km/h towards a crossing along two perpendicular roads. If their distances from the crossing be 60 meters and 70 meters respectively at an instant of time then they do not collide if their speeds are such thata)m : n ≠ 6 : 7b)m : n ≠ 7 : 6c)m : n ≠ 36 : 49d)m : n ≠ 12 : 14Correct answer is option 'A'. Can you explain this answer? for UGC NET 2024 is part of UGC NET preparation. The Question and answers have been prepared according to the UGC NET exam syllabus. Information about Two bikes are moving with speeds m km/h and n km/h towards a crossing along two perpendicular roads. If their distances from the crossing be 60 meters and 70 meters respectively at an instant of time then they do not collide if their speeds are such thata)m : n ≠ 6 : 7b)m : n ≠ 7 : 6c)m : n ≠ 36 : 49d)m : n ≠ 12 : 14Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for UGC NET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Two bikes are moving with speeds m km/h and n km/h towards a crossing along two perpendicular roads. If their distances from the crossing be 60 meters and 70 meters respectively at an instant of time then they do not collide if their speeds are such thata)m : n ≠ 6 : 7b)m : n ≠ 7 : 6c)m : n ≠ 36 : 49d)m : n ≠ 12 : 14Correct answer is option 'A'. Can you explain this answer?.
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