Venn Diagrams

In a hostel, there are $30$ students, $9$ of them take tea but not coffee. If $3$ of them who take coffee also start taking tea, $12$ students would be taking both tea and coffee. How many students do not take tea?

What does the following diagram represents?

Which of the following is the Venn diagram for $A-B$?

Cotyledons are also called-

Which Venn diagram represents the truth of the statement "Some teenagers are not dreamers" (where $T$ is the set of teenagers and $D$ is the set of dreamers)

Which Venn diagram represent the truth of the statement "No policeman is a thief"

$\mathrm{H}:$ Set of holidays

$\mathrm{S}:$ Set of Sundays

$\mathrm{U}:$ Set of day's

Then, the Venn diagram of the statement,"Every Sunday implies holiday" is