MCQ
Set $A$ has $3$ elements and set $B$ has $6$ elements. What can be the minimum number of elements in $\ce{A ∪ B}\ ?$
- ✓$6$
- B$3$
- C$9$
- D$18$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
| $x$ |
$1$
|
$a$
|
$a^2$
|
$....$ |
$a^n$
|
| $f$ |
$^nC_0$
|
$^nC_1$
|
$^nC_2$
|
$....$ |
$^nC_2$
|