MCQ
Let $A$ and $B$ be two sets in the same universal set. Then, $A - B =$
- A$\text{A}\cap\text{B}$
- B$\text{A}'\cap\text{B}$
- ✓$\text{A}\cap\text{B}'$
- DNone of these.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Match the Statements / Expressions in $Column I$ with the Statements / Expressions in $Column II$ and indicate your answer by darkening the appropriate bubbles in the $4 \times 4$ matrix given in the $ORS.$
| $Column I$ | $Column II$ |
| $(A)$ The number of permutations containing the word $ENDEA$ is | $(p)$ $5$ ! |
| $(B)$ The number of permutations in which the letter $E$ occurs in the first and the last positions is | $(q)$ $2 \times 5$ ! |
| $(C)$ The number of permutations in which none of the letters $\mathrm{D}, \mathrm{L}, \mathrm{N}$ occurs in the last five positions is | $(r)$ $7 \times 5$ ! |
| $(D)$ The number of permutations in which the letters $\mathrm{A}, \mathrm{E}, \mathrm{O}$ occur only in odd positions is | $(s)$ $21 \times 5$ ! |