A) 9 : 20
B) 20 : 9
C) 4 : 5
D) 5 : 4
Correct Answer: D
Solution :
[d] \[\frac{A\times 60}{100}=B\times \frac{3}{4}\] \[\Rightarrow A\times \frac{3}{5}=B\times \frac{3}{4}\] \[\Rightarrow \frac{A}{B}=\frac{3}{4}\times \frac{5}{3}=5:4\]You need to login to perform this action.
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