1.

Incomesof A, B and C are in the ratio 7:9:12 and their respective expenditures arein the ratio 8:9:5.If A saves `1/4`ofhis income then the ratio of their saving sis`56 : 99 : 69`b. `15 : 28 : 27`c. `33 : 19 : 23`d.`56 : 69 : 99`

Answer» Savings=income-expenditure
Let the incomes of A,B and C be 7x,9x and 12x.
their respective expenditures be 8z,9z and 5z.
A saves `(1/4)^th` of his income=>`x/4=7x-8z`
=>`z=(21x)/32`
=>ratio of savings=>`x/4:9(x-z):(69x)/32`
=>`56:99:69`


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