Mathematics · Ratio and Proportion
4, a, और 16a का चतुर्थानुपाती (fourth proportional) 81 है। a2 का मान ज्ञात कीजिए।
- 122.50
- 224.75
- 320.25✓
- 416.50
सही उत्तर देखें
20.25
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 Ratio and Proportion?
Solve complete topic-wise tests with detailed solutions on GkGet.
Related Practice Questions
Recommended practice questions in Mathematics · Ratio and Proportion