"The ratio between the third proportional of 12 and 30 and mean proportional of 9 and25 is`2:1`b.
Channel: Doubtnut
Date: 2020-04-05

"The ratio between the third proportional of 12 and 30 and mean proportional of 9 and25 is`2:1`b. `5:1`c. `7: 15`d. `9: 14`"