Multiple choice general knowledge math & puzzles

Lowell started his homework at 5:00pm. He spent 45 minutes on English, 35 minutes on math, and 1 hour 15 minutes on history. At what time did he finish all his homework?

  1. 0.815972222222222

  2. 0.770833333333333

  3. 0.763888888888889

  4. 0.8125

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Total time spent: 45m + 35m + 75m = 155 minutes (2 hours 35 minutes). Starting at 5:00 PM, he finishes at 7:35 PM. In Excel/decimal time format, 7:35 PM (19:35) is 19.5833/24 ≈ 0.81597. Option 68581 correctly represents this decimal time.