Answer-<p>At present. A is younger than B by 8 years. If 4 years ago, their ages were in the ratio 1:...

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Answer-&lt;p&gt;At present. A is younger than B by 8 years. If 4 years ago, their ages were in the ratio 1:...

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Let, the present age of A  x years So, the present age of B  x  8 years Then, x - 4x  8 - 4  12 rArr x - 4x  4  12 rArr 2x - 8  x  4 rArr 2x - x  8  4 rArr x  12 So, Bs present age  12  8  20 years there4 The present age of B in years is 20 years

At present. A is younger than B by 8 years. If 4 years ago, their ages were in the ratio 1:2, then what is the present age of B (in years)?

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