Question
The average age of three friends
Maya, Nirmal, and Raju is 27 years. The age ratio of Nirmal to Raju is 9:5, and Maya is 11 years younger than Nirmal. Determine the square root of the product of Maya’s and Nirmal’s ages.Solution
ATQ, Let present age of Nirmal and Raju are ‘9x’ and ‘5x’ respectively. Age of Maya = 9x – 11 (9x – 11) + 9x + 5x = 81 23x = 92 x = 4 Age of Maya = 9x – 11 = 25 years Age of Nirmal = 9x = 36 years Square root of product of ages of Maya and Nirmal = √[25 × 36] = 30
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