Question : If 35% of A's income is equal to 25% of B's income, then the ratio of A's income to B's income is:
Option 1: 7 : 5
Option 2: 5 : 7
Option 3: 4 : 7
Option 4: 4 : 3
Correct Answer: 5 : 7
Solution :
Given: 35% of A = 25% of B
⇒ $\frac{35}{100}$ × A = $\frac{25}{100}$ × B
⇒ $\frac{A}{B}=\frac{5}{7}$
⇒ A : B = 5 : 7
Hence, the correct answer is 5 : 7.
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