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The ratio of the present ages of Neha and Nikita is 7 : 6. The sum of their ages is 52 years. What will be the respective ratio of their ages 12 years later?1. 10 : 92. 10 : 73. 10 : 114. 12 : 115. None of the above |
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Answer» Correct Answer - Option 1 : 10 : 9 Calculations: Let the present age of Neha be 7x. Let the present age of Nikita be 6x. ∴ According to the question: ⇒ 7x + 6x = 52 ⇒ 13x = 52 ⇒ x = 4 ∴ Neha’s present age = 7 × 4 ⇒ 28 years ∴ Neha’s present age = 6 × 4 ⇒ 24 years ∴ required ratio after 12 years : ⇒ 28 + 12 : 24 + 12 ⇒ 40 : 36 ⇒ 10 : 9 The respective ratio of their ages 12 years later is 10 : 9. |
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