Lesson eLearning

A student starts his homework at 4:20 PM and spends 45 minutes on it. At what time does he finish? Give answer in 12‑hour format.

easy 1 mark Class 3 · Mathematics · Time Goes On
Answer
5:05 PM

The correct answer is 5:05 PM — Add the 5 min to get final time 5:05 PM.

Step-by-step solution

  1. Add 45 minutes to 4:20 PM.
  2. 20 min + 45 min = 65 min, which is 1 hr 5 min.
  3. Add the 1 hr to 4 PM → 5 PM.
  4. Add the 5 min to get final time 5:05 PM.
Common mistake: Adding minutes without carrying over 60 minutes to the hour.

Concept tested: Adding minutes to a given time

Published · How this solution was prepared and checked

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