The ratio of the monthly incomes of X and Y is 5 : 4 and that of their monthly expenditures is 9 : 7. If the income of Y is equal to the expenditure of X, then what is the ratio of the saving of X and Y?
A. 9 : 8
B. 6 : 7
C. 8 : 9
D. 7 : 6
Answer: Option A
Solution(By Examveda Team)
\[\begin{array}{*{20}{c}} {}&{{\text{X}}\,\,\,\,\,:\,\,\,\,\,{\text{Y}}} \\ {{\text{Income}} \to }&{{5_{ \times 9}}\,\,\,:\,\,\,{4_{ \times 9}}} \\ {{\text{Expenditure}} \to }&{{9_{ \times 4}}\,\,\,:\,\,\,{7_{ \times 4}}} \\ {{\text{Saving}} \to }&{\overline {\underline {\,\,9\,\,\,\,\,\,:\,\,\,\,\,\,8\,\,} } } \end{array}\]Y's income = X's Expenditure
Saving = 9 : 8
Related Questions on Ratio
If a : b : c = 3 : 4 : 7, then the ratio (a + b + c) : c is equal to
A. 2 : 1
B. 14 : 3
C. 7 : 2
D. 1 : 2
If $$\frac{2}{3}$$ of A=75% of B = 0.6 of C, then A : B : C is
A. 2 : 3 : 3
B. 3 : 4 : 5
C. 4 : 5 : 6
D. 9 : 8 : 10
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