An integer is chosen at random from the integers 1 , 2 , 3 , … , 50 1 , 2 , 3 , … , 50 . The probability that the chosen integer is a multiple of atleast one of 4, 6 and 7 is
(1) 8/ 25
(2) 21/ 50
(3) 9/ 50
(4) 14/ 25