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A bag contains 100 tickets numbered …

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A bag contains 100 tickets numbered  1 to 100 a number is drawn randomly .Find the probability that it is multiple of 5 or 7.

  • 1 answers

Bindu Agarwal 8 years, 9 months ago

Total no. of tickets = 100

No. of ticets which are multiple of 5 = 20

NO. of tickets which are multiple of 7 = 14

NO.of tickets which are multiple of both i.e. multiple of 35:- 2

Therefore tickets which are multiple of 5 or 7 :-  20+14-2 = 32

Therefore probability :-   32/100 = 0.32

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