Directions: Study the following information carefully and answer the given questions.

There are six cars P, Q, R, S, T and U. Each of them has different speeds in m/s and in the multiple of 5(All speeds are in natural number). Car P is faster than car S, which is not the slowest. Car T is faster than only two cars. Car P is slower than only car Q. Car R and car S have 45m/s and 30m/s speeds respectively.