Question

Choose the correct answers from the alternative given :
Directions for questions 7 and 8: Select the correct alternative from the given ones that will complete the series.
12,27,85,345,?

• A. 1380
• B. 1725
• C. 1731
• D. 1737

Answer 1

Answer: (C)

1731

12 $\stackrel{\times 2+3}{\to }$ 27 $\stackrel{\times 3+4}{\to }$ 5 $\stackrel{\times 4+5}{\to }$ 345 $\stackrel{\times 5+6}{\to }$ 1731

Option C will complete the given series.