What is the difference between the average number of students who appeared in the entrance exam from all given cities and the average number of students who qualified from all the cities together?

In order to make a profit of $10 \%$, what should have been the approximate gross traffic receipts in 2016, total expenditure remaining the same ?

In 2023, the Middle East and North Africa's percent growth in GDP was approximately what percent greater than Southern Continental Africa's percent growth in GDP?

The average number of students who qualified in the examination from Kolkata and Delhi is what percent of the average number of students who appeared for the exam from the same cities? (rounded off to 2 digits after decimal)

The number of students who appeared for the exam from Delhi is approximately what percent of the total number of students who appeared for the exam from all cities together?