Mathematics · Mathematical Operations
If for any real numbers a and b, the operation '' is defined as a * b = 5(a + b) + 1(a - b) - 7, then what is the value of 11 * 8?
- 182
- 287
- 391✓
- 485
Correct answer
91
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 Mathematical Operations?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Mathematics · Mathematical Operations