Mathematics · Matrices
Let A = [a bc d] be a square matrix such that adj A = A. Then, (a + b + c + d) is equal to:
- 10
- 22c
- 32b
- 42a✓
Correct answer
2a
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 Matrices?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Mathematics · Matrices