সব প্রশ্নে ফিরে যান
Math
The monthly incomes of two persons are in the ratio 4:5 and their monthly expenditures are in the ratio of 7:9. If each saves BDT 50 per month, find their monthly income.
A) 400 and 600
B) 400 and 500
সঠিক উত্তর
C) 500 and 400
D) None of these