"If `20 %\ of\ A=B\ a n d\ 40 %\ of\ B=C\ t h e n\ 60 %\ of\ (A+B)`is a.`30 %\ of\ C`b.
Channel: Doubtnut
Date: 2020-04-05

"If `20 %\ of\ A=B\ a n d\ 40 %\ of\ B=C\ t h e n\ 60 %\ of\ (A+B)`
is 
a.`30 %\ of\ C`
b. `60 %\ of\ C`

c. `75 %\ of\ C`
d. none of these"