How much will be decreased to each terms of ratio 16 : 19, so that it will be 7 : 6?
Let the number which is to be decreased from each term = a
According to the problem,
$$\frac{16-a}{19-a}=\frac{7}{6}$$
$$\Rightarrow$$ 96 - 6a = 133 - 7a
$$\Rightarrow$$Â a = 37
$$\therefore\ $$The number which is to be decreased from each term is 37.
Hence, the correct answer is Option D
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