Mathematics · Aptitude - Time and Work / Efficiency
A heat engine is operating between temperatures 500 K and 400 K. What is the efficiency of the engine?
- 10.50
- 21.25
- 30.80
- 40.20✓
Correct answer
0.20
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 Aptitude - Time and Work / Efficiency?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Mathematics · Aptitude - Time and Work / Efficiency