Question

probability class 10 icse preparatory question
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Answer 1

Answer:

(I) 1/2

(ii) 1/2

(iii)1/2

(iv) 1/10

Step-by-step explanation:

(i) Total no.of cards = 10

no. of cards bearing even no.=5

P( E) = favourable outcomes /total no.of cards

P(E)= 5/10

=1/2

(ii) numbers divisible by 6 = 6,12,18,24,30

P(E) = 5/10

P(E)= 1/2

(iii) numbers less than 30 and greater than 12= 15,18,21,24,27

P(E) = 5/10

P(E)=1/2

(iv) a perfect square=9

P(E) = 1/10

Answer 2

Answer:

i)5/10=1/2

ii)5/10=1/2

iii)5/10=1/2

iv)1/10

Step-by-step explanation:

i) even numbers are 3,6,12,18,24,30.

if drawn randomly one of the even number would be get.

ii)6,12,18,24,30 are divisible by 6

iii)a number less than 30 and greater than 12 are 15,18,21,24,27

iv)There is only one prefect square is present and it is 9.Because 3^2=9.

lol i am student of class 12 and it is tooo easy. And i am studing in cbse.