1.

Odds9 to 5 againsta personwho is 40 yearsoldlivingtill heis 70and 4 to 3againstanotherpersonnow50till he will beliving80. Probabilitythat oneof them will be alive next30 years .

Answer»

`(59)/(91)`
`(44)/(91)`
`(51)/(91)`
`(32)/(91)`

ANSWER :B


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