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    05 · Concept

    Caching strategies: cache-aside, read-through, write-through

    Why does the canteen board still say ₹15 after the price went up?

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    1. 60-second story 9 cards · 1 minOne idea per card. Tap through it like stories.(done)
    2. Quick check 3 questions · 1 minTap an answer, get instant feedback.(done)
    3. Go deeper 7 min2 estimates, 1 build-up diagram and 4 “you’re the candidate” moments.(done)
    4. Full breakdown 23 min · 6 figuresThe complete breakdown, every number and figure.(done)

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