Question 75

If a light flashes every 6 seconds, how many times will it flash in $$\frac{3}{4}$$ of an hour?

Solution

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Number of time light flashes in 6 seconds = 1 time

Number of times it will flash in 45 minutes (or 2700 sec) = $$\frac{2700}{6}=450$$

=> Ans - (C)

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