Direction: Read the given information carefully and answer the following question.

There is a total of 1680 passengers on a flight. Out of these, the proportion between males and females is 7 : 5, respectively. All passengers are going to China, America, and Japan. One-fifth of males visit only America. 20% of females travel to only Japan. 10% of males travel to only China. 24% of female visitors visit both China and America. The number of females travelling to only China is 200% of males travelling to the only China. One-fourteenth of males travel in all three countries. The respective proportion of the number of males and females going to America and Japan both is 2 : 1. 10% of females visit only America, while 8% visit both America and Japan. The remaining females are visiting the three countries. The number of males visiting China and America is half that of females visiting the same countries. Only the remaining males travel to Japan.