Question
The ratio of three numbers is
7:2:5, and their squared values add up to 1248. Identify the largest number among them.Solution
ATQ, Let the numbers be ‘7p’, ‘2p’ and ‘5p’ respectively. So, 49p2 + 4p2 + 25p2 = 1248 Or, 78p2 = 1248 Or, p2 = 16 Or, p = 4 So, largest number = 7p = 7 × 4 = 28
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