The monthly incomes of Mohit and Prakash are in the ratio 2: 3. Their monthly expenditures are in the ratio 3: 5. If each saves 5000 per month, then what is the sum of the monthly incomes of Mohit and Prakash?

₹50000

                    Mohit   :   Prakash

Income             2     :     3

Expenditure       3     :     5

⇒ Making difference between Mohit and Prakash's income and exp. ratios similar , we multiply income ratio with 2,

⇒ (2 : 3) x 2 = 4 : 6

 As savings are similar 

⇒ 4 - 3 = 1 

⇒ 1 unit = 5000

⇒ Sum of Income of Mohit and Prakash = (4 + 6) x 5000 = 10 x 5000 = Rs. 50,000