What must be subtracted from each of the numbers 23,57,108 so that they are in proportion
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Thus let that no. Be “x”.
So the equation will be :
a-x/b-x = c-x/d-x
( As if same no. is subtracted from numerator and denominator the fraction remains same)
Thus
23-x/30-x = 57-x/78-x
Now don't waste your time in solving such tedious quadratic equation, simply go with the options.
Correct Answer : 6
17/24 = 51/72
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