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Doctors Medicines MCQs Q&A

  1. 10 kmph
  2. 2 kmph
  3. 8 kmph
  4. 9 kmph
  5. 5 kmph
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1 Answers

Option 5 : 5 kmph

Difference in time taken = 10 + 15 = 25 min

Let distance between city and his house be D km.

⇒ D/36 – D/45 = 25/60

⇒ 9D = (25 × 36 × 45)/60

⇒ D = 75 km

Given,

D = 75 km and time = 15 hours

Required speed = 75/15 = 5 kmph
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