Expenditure of company 'B' in years 2009 and 2010 were in the ratio of 5: 7 respectively. What was the respective ratio of their incomes ?
The correct option is D 10 : 13
Exp. of B in 2009Exp. of B in 2010=57=Income of B in 2009×100140Income of B in 2010×100130=57=Income of B in 2009Income of B in 2010=5×1407×130=1013