The number of visitors from City B increased by what percent from April to June

The number of visitors from City A in April increased by 20% from the previous month. What is the respective ratio between the number visitors from City A in July and the number of visitors from the same city in March

Statements : No liquid is fluid. All solids are liquids. All gases are solids.

Conclusions :

1.                       Atleast some solids are fluids.
2.                      All gases are liquids.

Statements : Some comics are books. All comics are novels. No novel is an article.

Conclusions :

1.                       Some novels are books.
2.                      All articles being books is a possibility.

Statements : No hour is a day. All months are days. Some hours are calendars.

Conclusions :

1.                       No month is an hour.
2.                      All calendars being days is a possibility.

What is the difference between the total number of visitors from City A and City B together in September and the total number of visitors from both the cities together in August