Question

Ratio of expenditure of companies A and B in 1993 was 4 : 5. What was the ratio of their incomes in the same year?

• A. 58:75
• B. 75:58
• C. 78:55
• D. 72:55
• E. None of these

Answer 1

The correct option is A 58:75

A : B = 40:50
$45=(I-40)\times \frac{100}{40}$ ....(A)
I = 58L
$50=(I-50)\times \frac{100}{50}$
$I=75L$ ....(B)
A : B = 58:75