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A six faced fair dice is thrown until 1 comes, then the probability that 1 comes in even no. of trials is (A) 5/11 (B) 5/6 (C) 6/11 (D) 1/6

A six faced fair dice is thrown until 1 comes, then the probability that 1 comes in even no. of trials is
(A) 5/11 (B) 5/6
(C) 6/11 (D) 1/6

Grade:12

2 Answers

ATUL SHARMA JODHPUR
30 Points
11 years ago

1/6*5/6 + 1/6*(5/6)3 

         SO ANSWER IS BY USING INFINE SUM OF GP 

(A) 5/11

anchal kataria
16 Points
11 years ago

1/6 is right answer

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