45% percent students of a college play football, 70% play cricket while 15% play both the games. How many students do not play football, if the total number of students in the college is 6500 and only two games are played by the students?

Current salary of Kriti is 4800. There will be increase of 15% in it in next year, what  will be the increased salary of Kriti after increment?

There are $1500$ students in a school, $15\%$ are Muslims, $7\%$ are Sikhs, $8\%$ are Christians and remaining are Hindus. How many Hindu students are there in the school?

If $15\% of (x + y) = 45\% of (x - y)$, then $y$ is how much percent of $x$?

A small scale soap business has the following expenses: 10% on marketing, 65% on employees salary and 25% on raw materials. If the business pays a total salary of Rs. 65,000 then what is its marketing expense?