Question

cards numbered from 1 to 80 with one number written on each card are put in
a box and mixed thoroughly. A card is drawn at random from the box,
what is the probability that the number written on it is :
(i) multiple of 10
(ii) less than 15​

Answer 1

Answer:

1) 1/10

2) 15/80

1. for 1 the probablity will be 8/80 =1/10 because multiple of 10 are 8

1. less than 15 are 15 so 15/80