A is 20 years older than B. He is also 6 times as old as B. find their ages.

• A+20 = B........(i)
  A = 6B............(ii)
  On solving i,ii you get B=4 (ie: 6B+20=B,hence B=4)
  Now Substutute B=4 in (ii)
  Hence A=24,B=4
  
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