There are 40 questions in a competitive exam. 3 marks are awarded for each correct answer, while 2 marks are is deducted for each incorrect answer. If Annie answered 22 questions correctly, how many marks did she get?

An arithmetic sequence is a sequence of numbers a_{1}, a_{2}, a_{3},... where a_{n} - a_{n-1} has the same value for every n. For example, 2, 4, 6, 8, 10,....is such a sequence where the difference between any 2 consecutive numbers is 2. Given, a, b, c, d, and e are consecutive numbers in such a sequence and a + b + c + d + e = 90. What is the value of c?

The parking lot of a theater has a capacity of 740 cars. On Saturday, the ratio of the empty parking spots to occupied parking spots is 10:27. The number of cars that were parked there on that day is:

The ratio of the speeds of two cars is 3:2. If the first car covers a distance of 160 km in 2 hours, then how much distance will the second car cover in 3 hours?