I see the questions provided in the image pertain to sequences and series (Arithmetic and Geometric Progressions). Let’s go through them step by step to find solutions:

Question 7

Recruitment in a shoe factory follows an arithmetic sequence. January: 200 employees, February: 240 employees, March: 280 employees, etc. Find the total recruitment for one year.

1. Identifying the sequence:
   The first term $a = 200$, the common difference $d = 240 - 200 = 40$.

2. **