The series alternates between adding 3 and subtracting 2:
$$7 + 3 = 10$$ $$10 - 2 = 8$$ $$8 + 3 = 11$$ $$11 - 2 = 9$$ $$9 + 3 = 12$$ $$12 - 2 = 10$$Alternatively, looking at alternate terms:
First sequence: $7, 8, 9, 10$
Second sequence: $10, 11, 12, 13$
The next term belongs to the first sequence, which is 10.
श्रृंखला में एकांतर क्रम में $+3$ और $-2$ का नियम चल रहा है:
$7 + 3 = 10$, $10 - 2 = 8$, $8 + 3 = 11$, $11 - 2 = 9$, $9 + 3 = 12$, $12 - 2 = 10$।