Present age of ‘A’ is 40% more than the present age of ‘B’. Present age of ‘B’ is 50% less than the present age of ‘C’. Sixty years hence from now, age of ‘C’ will be 4{1/6}% more than sum of age of ‘B’ twenty-eight years hence from now and age of the ‘A’ twenty years hence from now. Find the present age of ‘B’.