Math, asked by birendraadhikary782, 1 year ago

A box contains cards bearing numners 11 12 13 14 15 16 17 ..........50. A cards is randomly drawn. What is the probalility that its bears a multiple of 7?

Answers

Answered by tuka81
2

Probability of getting a 1 digit no.=4/65

probability of  getting a no.divisible by 5=1/5

probability of getting a odd no.less than 30=12/65

probability of getting a composite no. between 50 and 70=14/65

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