Answer: 12:00 PM

Given :

• 1 hour watching cartoons
• 2 hours nap
• 3 hours of revision

to find :

• if he completed his revision at 10 pm, what time had he started watching cartoons?

Solution :

• Michael completed his revision at 10pm
• following 2 hours nap = 12PM
• and spent 1 hours watching cartoons = 1PM

therefore,

• Michael will start watching cartoons at 12:00PM and end at 1:00PM

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