Aptitude- Math and Logic

A manufacturing company bought new machinery and split the cost between three departments, A, B, and C. Department A paid 30% of the cost, department C paid 22% of the cost, and department B paid for the rest. If department A contributed $1,200, how much did department B pay for the machinery?

Early in the morning, exactly seven fans - Fiona, Georgia, Heather, Ian, John, Kilgore and Lumina - formed a line, trying to get tickets to their favorite band's last concert on tour. These seven are the only fans standing in the line. The following conditions apply to the line they formed: Fiona is standing in front of Ian John is standing in front of Heather If John is not first in line, Lumina is standing somewhere in front of him Ian is standing immediately in front of or immediately behind Kilgore If Heather is standing third in line, then which one of the following is a comprehensive list of all the fans that can stand last in line?

It costs a company $10.00 to produce 4 DVDs, and they sell 3 DVDs for $15.00. What will be the profit from selling 1,400 DVDs?

A car travels at a speed of 85 miles per hour. How far will it travel in 15 minutes?

Mark purchased a new stereo system making a down payment of $220 and 12 monthly payments of $25. What is the total price of the stereo system?

The post office receives a package every 3 minutes, and the mail man delivers 12 packages each hour. If there are no packages left from the previous day, how many hours will it take until there will be exactly 64 undelivered packages in the post office?

If the first two statements are true, is the final statement true?
I am wealthier than Danny
Danny is wealthier than Sara
I am wealthier than Sara