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We are given:
A clock takes 9 seconds to strike 4 times.
✅ Key Concept:
The time is measured between the strikes, not the number of strikes.
So:
To strike 4 times → there are 3 intervals
Time for 3 intervals = 9 seconds
⇒ Time per interval = 9 ÷ 3 = 3 seconds
Now, for 12 strikes → there are 11 intervals
✅ Step-by-step:
Time taken = 11 intervals × 3 seconds = 33 seconds
✅ Final Answer:
The clock will take 33 seconds to strike 12 times.