General Studies · Number Series
Which number will replace the question mark (?) in the following series? 12, 30, 66, 138, ?, 570
- 1282✓
- 2408
- 3256
- 4314
Correct answer
282
Download Single Question PDF
Save this question and verified answer as a clean study sheet with live clickable link.
Share with Friends & Study Groups
Challenge your peer aspirants on WhatsApp or Telegram to solve this question!
Preparing for General Studies?
Practice full-length mock tests with real exam timers, instant score analysis, and all-India ranking.
Want more practice questions on Number Series?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in General Studies · Number Series