The salaries of a father, mother and daughter are in the ratio 2 ∶ 3 ∶ 5. What will be the ratio of their salaries if there was an increase of 15%, 10% and 20%, respectively?

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  1. 19 ∶ 13 ∶ 15
  2. 23 ∶ 33 ∶ 60
  3. 17 ∶ 37 ∶ 50
  4. 17 ∶ 18 ∶ 25

Answer (Detailed Solution Below)

Option 2 : 23 ∶ 33 ∶ 60
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Detailed Solution

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Given : 

Salaries of a father, mother and daughter are in the ratio 2 ∶ 3 ∶ 5. 

Calculation : 

Let the Salaries of father, mother, daughter is 200, 300, 500.

Increased salary of father = 200 × 115/100 = 230

Increased salary of mother = 300 × 110/100 = 330

Increased salary of daughter = 500 × 120/100 = 600

⇒ 230 : 330 : 600

⇒ 23 : 33 : 60

∴ The correct answer is 23 : 33 : 60.

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