35% of Tahia's income is equal to 25% of Noria's income . The ratio of their income is --.
A
7:5
B
4:3
C
4:7
D
5:7
Correct Answer: 5:7
Let, Tahias income = x and Nonas income = y According to question 35% of x = 25% of y = > 35x/100 = 25y/100 = > 35x = 25y = > x/y = 25/35 ∴x : y = 5 : 7