If a light flashes every 6 seconds, starting with a flash at the beginning, how many times will it flash in \(\frac{3}{4}\) of an hour?
Question and options
If a light flashes every 6 seconds, starting with a flash at the beginning, how many times will it flash in of an hour?
- 450
- 451
- 350
- 425
Answer and explanation
Correct answer: B - 451
hour = 2700 s; intervals, so counting the flash at the start there are 451 flashes.
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CUSAT CAT Five-Year LL.B.
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