Mathematics · Number Series
Select the number from among the given options that can replace the question mark (?) in the following series. 21, 32, 54, ?, 131
- 172
- 295
- 366
- 487✓
Correct answer
87
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 Mathematics?
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 Mathematics · Number Series