Question

Cards with number 1, 2, 3,--------- 100 are placed in a box and mixed thoroughly. One

card is drawn. What is the probability that the card drawn is
(i) a prime number less than30
(ii) a multiple of 5 and 7

(iii) a multiple of 5 or 7​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

(1) prime numbers less than 30 are =11

so probability =number of favourable outcomes/total outcomes

=11/100

(2)multiples of 5and 7 are=34

so probability =34/100

=17/50

(3)multiples of 5=20

so probability =20/100=1/5

multiples of 7=14

so probability =14/100=7/50

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