Let’s solve this riddle step by step.
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Riddle:
> What day would yesterday be if Thursday was four days before the day after tomorrow?
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Step 1: Understand the key phrase — “the day after tomorrow”
Let’s denote
today as
Day 0.
-
Tomorrow = Day 1
-
The day after tomorrow = Day 2
So, “Thursday was four days before the day after tomorrow” means:
> Thursday = (Day 2) - 4 days =
Day -2
That is,
Thursday was two days ago.
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Step 2: If Thursday was two days ago, what day is today?
If Thursday = two days ago (Day -2), then:
- Day -1 = Friday
-
Today (Day 0) = Saturday
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Step 3: The question asks — *What day would yesterday be?*
Yesterday = Day -1 =
Friday
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✔ Final Answer: Friday
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Let’s double-check:
- Today = Saturday
- Yesterday = Friday
- Tomorrow = Sunday
- Day after tomorrow = Monday
- Four days before Monday = Thursday → ✔️ matches the condition.
Perfect!
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Answer: 🟩 Friday
Parent Tip: Review the logic above to help your child master the concept of brain teasers riddles.