chinchintakemys1 chinchintakemys1

13-12-2018
Mathematics

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A box contains 30 tiles numbered 1 to 30. If a tile is drawn at random, what is the probability that the number drawn is a multiple of 2 or a multiple of 5?

A 7/10
B 3/5
C 7/20
D 3/10

Respuesta :

fongchinghinunsw fongchinghinunsw

13-12-2018

B................. numerator is 15+6-30, inclusion exclusion principle

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13-12-2018

it is B,..........................

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