Ex.2. The ratio of monthly incomes ...
Question
Fullscreen

Ex.2. The ratio of monthly incomes of A, B is 6:5 and their monthly expenditures are in the ratio 4. 3. If each of them saves 400 per month, find the sum of their monthly incomes. (1) 2300 (2) 2400 (3) 2200 (4) 2500

11th - 12th Class
Maths
Solution
43
Rating
4.0 (1 ratings)
Fullscreen
Sol. (3) Income of ( A ) and ( B=₹ 6 x ) and ( ₹ 5 x ) Expenses of ( A ) and ( B=₹ 4 y ) and ( 3 y ) ( therefore 6 x-4 y=400 ) ( 5 x-3 y=400 ) ii By equation ( (i) times 3-(text { ii }) times 4 ) ( Rightarrow 18 x-12 y-20 x+12 y ) ( =1200-1600 ) ( Rightarrow 2 x=400 Rightarrow x=200 ) ( therefore ) Total income ( =6 x+5 x=11 x=₹ 2200 )
Quick and Stepwise Solutions Just click and Send Download App OVER 20 LAKH QUESTIONS ANSWERED Download App for Free