Ratio of expenditures of company A and B in 2012 was 3 : 4 respective…

Question

Ratio of expenditures of company A and B in 2012 was 3 : 4 respectively. What was the respective ratio of their income in 2012?

Accepted Answer

Option E. None of these. Answer & Solution Answer: Option E Solution: & For company A, In 2012 & P\% = I-E/E×100 & 30 = I-3/3×100 & 90 = 100I-300 & 390/100 = I & I = 3.9 & For company B, In 2012 & P\% = I-E/E×100 & 40 = I-4/4×100 & 160 = 100I-400 & 560/100 = I & I = 5.6 & Then required ratio & = 3.9/5.6…