defence exam Coast Guard Navik GD (General Duty) 02/2025 Mock Test Series Mathematics Sequences and Series Relations between AM, GM, HM
Let x be the HM and y be the GM of two positive numbers m and n. If 5x = 4y, then which one of the following is correct?
1
5m = 4n
2
2m = n
3
4m = 5n
4
m = 4n