a game of numbers has card marked with 11,12,13,…., 40. A card is drawn at random. Find
the probability that the number on the card drawn is: (3)
(i) A prime number.
(ii) Divisible by 4.
(iii) Multiple of 10.
Answers
Answered by
7
Answer:
prime number = 11, 13, 17, 19 , 23, 27, 29, 31, 37
divisible by 4 = 12,16, 20, 24 ,28, 32, 36, 40
multiple of 10= 20, 30, 40
Answered by
42
Answer:
Total number of all possible outcomes =30.
Since required (favourable) outcomes are: 16,25 and 36
∴ The number of favourable outcomes =3.
∴P (A perfect square) =
30
3
=
10
1
.
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