Question

There are 20 tickets in a bag each ticket is marked with number 1 to 20 what is the probability of getting a number which is multiple of 3 ??​

Answer 1

Answer:

3/10.........................

Answer 2

Step-by-step explanation:

$the \: chance \: that \: the \: number \: is \: a \: multiple \: of \: 3is \frac{6}{20} andthe \: chance \: that \: is \: a \: multiple \: of \: 7 \: is \: \frac{2}{20} . \: and \: these \: events \: are \: mutually \: exclusive \: . hence \: the \: required \: chance \: is \: \frac{6}{20} + \frac{2}{20} or \frac{2}{5} </p><p></p><p>$