- A11 s
- B20 s
- C18 1/3 s
- D22 s
Step-by-Step Solution
6 strikes have 5 gaps, so each gap is 10 ÷ 5 = 2 s. 11 strikes have 10 gaps: s. (18 1/3 s scales 10 s in the ratio 11 : 6, counting strikes instead of gaps.)
Answer: B) 20 s
At the time shown this clock takes 10 seconds to strike 6, the strikes being equally spaced. How long will it take to strike 11?
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