Percent of given number

If 80 percent of the number a is 80, then how much is 20 percent of the number a?

10 percent of a number is 1.5 . What is the number?

23 percent of a number is 69 . What is the number?

The bar chart given below shows the number of flights from by Air India in 6 consecutive years . Number flights in Y6 are how much percent more than number of flights in Y1?

The bar graph given below represents the number of players of a college taking part in three games for 3 years. Total number of players in 2015 is what percent of total number of players in 2016?

Sixty-five percent of a number is 21 less than four fifths of that number.What is the number?