SSC CHSL 8 FEB 2017 SHIFT 1 TIER 1 REASONING QUESTION 12

12.A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.
80, 130, 190, 260, ?
Options:
1. 350
2. 340
3. 300
4. 320
Answer: 340

Series is: 80, 80 + 50, 130 + 60, 190 + 70
Next Term will be: 260 + 80= 340