declare

  type t_varchar_arr is TABLE OF varchar2(60);

  type t_number_arr is TABLE OF number;

  v_date t_varchar_arr;

  v_age  t_number_arr;

begin

  v_date := t_varchar_arr('20160429', '20160516', '20163516');

  v_age  := t_number_arr(50.2, 20, 58);

  for i in 1 .. v_date.count() loop

    dbms_output.put_line(' date ' || v_date(i) || ' age ' || v_age(i));

  end loop;

end;