Question

Identify the term that will replace the ?

$1,4,5,11,9,18,?,25$

• A. $12$
• B. $13$
• C. $19$
• D. $23$

Answer 1

The correct option is B $13$

Two series are present
1. $1,5,9,\mathrm{13......}$ -Difference is $4$
2. $4,11,18,\mathrm{25....}$-Difference is $7$

So, next term is 9+4 =13 (option B)
So, option B is the correct answer.