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प्रश्न
If (x + 3) : (4x + 1) is the duplicate ratio of 3 : 5, find the value of x.
उत्तर
If (x + 3) : (4x + 1) is duplicate ratio of 3 : 5
find the value of x
We have
`(x + 3)/(4x + 1)= 3^2/5^2`
=> 25x + 75 = 36x + 9
=> 11x = 66
=> x = 6
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