Let the speed of train be ‘a’ and Speed of cat be ‘b’ and Train whistles at a point ‘T’, xkm away from P, then First case: => a/b = x/(7k) Second case: => a/b = (x+16)/(9k) From both cases: => 9x= 7 (x+ 16 k) => 9x = 7x = 102 k => 2x= 102k => x/k = 56/1 => a/b = 56/(7x1) = 8/1
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