"The ratio of urea and potash in a mixed fertilizer is 7:3. Express the quantity of urea present a
Channel: Doubtnut
Date: 05/04/2020

"The ratio of urea and potash in a mixed fertilizer is 7:3. Express the quantity of urea present a percentage of the total amount of fertilizer.`20 %`b. `50 %`c. `60 %`d. 70%"