engineering recuitment AAI ATC Junior Executive 2025 Mock Test Series Mathematics Sequences and Series Harmonic Progressions
यदि गुणोत्तर माध्य = 18 और समांतर माध्य = 27, तो हरात्मक माध्य क्या है?
1
\(\frac{1}{18}\)
2
\(\frac{1}{12}\)
3
12
4
9 \(\sqrt{6}\)