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Neha's present age is 3rd of her aunt's present age. Neha's brother is 18 yearsolder to Neha. The respective ratio between the present ages of Neha's brotherand Neha's aunt is 17:24. What is Neha's present age ?1) 24 years2) 14 years3) 26 years4) 18 yearsA rect5) 16 years |
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Answer» Answer: so neha's present age is 5 years Step-by-step EXPLANATION: Let Nisha's age is x years Aisha's age = (x² + 2) years Now, A/C to question , when Nisha grows to her mother present age .means Nisha's grows = Aisha's present age - Nisha's present age = x² + 2 - x Then, this TIME Aisha's age = Aisha's present age + GROWING time = x² + 2 + x² + 2 - x = 2x² - x + 4 Now, question SAID , Aisha's age = 10× times of Nisha's age -1 2x² - x + 4 = 10x -1 2x² - 11x + 5 = 0 2x² -10x - x + 5 = 0 x = 5 and 1/2 x ≠ 1/2 because age doesn't in moths Hence , Nisha's present age = 5 years Aisha's present age = (5)² + 2 = 27 years |
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