Question
The ratio of two natural numbers 'u' and 'v' is 3:4,
respectively. When 12 is added to 'u' and 8 is subtracted from 'v', the ratio of 'u' to 'v' becomes 5:4. Find the square of the difference between the two numbers.Solution
Let the values of 'u' and 'v' be '3a' and '4a', respectively. ATQ, 
Required square of difference between two numbers: 
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