MCQ
$1 + 2 + 3 + 4$ or $10$ is a series?
- ✓$1 + 2 + 3 + 4$ only
- B$10$ only
- C$1 + 2 + 3 + 4$ and $10$
- DNeither $1 + 2 + 3 + 4$ nor $10$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$FACT$ : If $a$ and $b$ are rational numbers and $a+b \sqrt{5}=0$, then $a=0=b$.
($1$) $a_{12}=$
$[A]$ $a_{11}-a_{10}$ $[B]$ $a_{11}+a_{10}$ $[C]$ $2 a_{11}+a_{10}$ $[D]$ $a_{11}+2 a_{10}$
($2$) If $a_4=28$, then $p+2 q=$
$[A] 21$ $[B] 14$ $[C] 7$ $[D] 12$
answer the quetion ($1$) and ($2$)