Question

A notebook has 72 sheets of papers, out of which 30 are pink and 20 are blue. The rest of the papers are white. Find the probability of selecting a sheet of paper randomly which is not blue.​

Answer 1

Number Of Non-Blue Sheets :-

Total Sheets - Blue Sheets

=)72 - 20

=)52

Probability:-

$\frac{non \: blue \: sheets}{total \: sheets} \\ = ) \frac{52}{72} \\ = ) \frac{13}{18}$

Hope it helped

Answer 2

Step-by-step explanation:

Total Number of sheets=72.

Blue=20

Pink=30

White=72-(30+20)=72-50=22.

NOW Probality of choosing a paper randomly which is not blue =30+22/72=52/72=26/36=13/18.