Question

A number is chosen at random from the single digit natural numbers, The probability that the number chosen being a multiple of 3 is​

Answer 1

Step-by-step explanation:

n= Total no.of ways =

120

C

1

=120.

m= Favourable no. of ways is the number of terms in the arithmetical series 5,10,15,20,25,30,....,120.

∴120=4+(m−1)5 or m=24

Hence required probability is =

n

m

=

120

24

=

5

1