The average of 6 numbers is 30. If the average of the first four is 25 and that of the last three is 35, the fifth number is:  

   (A) Bertha    (B) Harold      (C) Freddy      (D) None of these  The World Meteorological Organization (WMO) has declared Tropical Cyclone Freddy to be the longest-lasting tropical cyclone on record, at 36 days. 

   (A) 10      (B) 14      (C) 17    (D) None of these