- A33 s
- B27 s
- C36 s
- D30 s
Step-by-Step Solution
It is 4 o'clock: 4 strikes have 3 gaps in 9 s, i.e. 3 s per gap. Twelve strikes have 11 gaps: 33 s. (27 s scales 9 s by 3; 36 s counts 12 gaps.)
Answer: A) 33 s
A grandfather clock takes 9 seconds to strike the hour shown. At the same pace, how long will it take to strike 12?
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