"The product of the duplicate ratio of `2a :6b\ a n d\ `the reciprocal ratio f `4a^2: 25 b^2`is`
Channel: Doubtnut
Date: 05/04/2020

"The product of the duplicate ratio of `2a :6b\ a n d\ `the reciprocal ratio f `4a^2: 25 b^2`is`0`b. `1`c. `a : b`d. none of these"