Question

cards of number 2,3,4,26 are put in a box and mixed throughly. one person draws a card from the box. find the probability that the number on the card is
even
prime
a perfect square
divisible by 2 or 5

Answer 1

C={2,3,4,26}

Even perfect square numbers divisible by 2 or 5 ={}

.•.Probability = 0/4=0

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Answer 2

hey sakna here

the numbers r 2,3,4,26

total outcomes             =4

prime number               = 2,3 that r two

p(getting prime no)       = no of favourable outcome/total no of outcome

                                      =1/2

a perfect square            = 4

p(getting perfect sq)       = no of favourable outcome/total no of outcome

                                         = 1/4

divisible by 2 or 5            = 2,4,26

p(getting

divisible by 2 or 5)             =no of favourable outcome/total no of outcome

                                           = 3/4