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Correct option is B
Total number of 6 digited numbers from 0, 1, 2, 3, 4, 5, 6=6×6×5×4×3×2 ∴n(S)=6×6!; We have 0+1+2+3+4+5+6=21Therefore 6 digited number divisible by 3 can be formed by using the digits 1,2,3,4,5,6 in 6! ways. By using the digits 0,1,2,4,5,6 in 5×5! ways by using the digits 0,1,2,3,4,5 in 5×5! ways Hence, P(E)=6!+2×5×5!6×6!=6+1036=49Talk to our academic expert!
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The odd against an event are 5 to 2 and the odds in favour of another disjoint event are 3 to 5. Then the probability that atleast one of the events will happen is
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