JEE Math Practice Question
In a random experiment, a fair die is rolled until two fours are obtained in succession. The probability that the experiment will end in the fifth throw of the die is equal to :
- A.$${{200} \over {{6^5}}}$$
- B.$${{225} \over {{6^5}}}$$
- C.$${{150} \over {{6^5}}}$$
- D.$${{175} \over {{6^5}}}$$
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