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1. If a light flashes every 6 seconds, how many times will it flash in 3/4 of an hour ?
- A. 450 times
- B. 450 times
- C. 450 times
- D. 450 times
Answer: Option A
Explanation:
3/4 hours = ( 3 × 60 × 60) /4 sec = 2700 sec = 2700/6 = 450.
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