Question

A box contains 80 discs, which are numbered from 1 to 80. If one disc is drawn at
random from the box, then the probability that it bears a number divisible by 5 is

$abhi \: abhi \: to \: zinda \: hua \: ho$
$phr \: se \: sir \: phodna \: hai \: kya$
​

Answer 1

the probability that is divisible by 5 is 80/5=13