A) \[\frac{1}{3}\]
B) \[\frac{1}{4}\]
C) \[\frac{4}{3}\]
D) \[\frac{7}{12}\]
Correct Answer: D
Solution :
[d] Total time of a cycle \[=60\sec \] Time of green light \[=25\sec \] \[\therefore \] Probability that light is green \[=\frac{25}{60}\] \[\therefore \] Probability that light will not be green \[1-\frac{25}{60}=\frac{7}{12}\]You need to login to perform this action.
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