Question

cards are numbered from 1 to 15 1 card is drawn at random probability of getting multiples of 2 and 4

Answer 1

S = { 1 , 2, 3 , 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 }

∴n( S) = 15

Event A  : one card drawn at a random probability of getting multiples of 2 & 4

( if we have to write the multiples of 2 & 4 together in one bracket )

∴A = { 2 , 4, 6, 8, 10 ,12, 14, }

∴n(A) = 7

∴probability : p (A) = n( A) / n(S)

                            = 7 / 15

∴ Probability of getting multiples of 2 and 4 is 7 / 15

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