Direction: Read the following information carefully and answer the questions asked below.

There are six buses A, B, C, D, E and F. All buses are running at different speed. Bus C is faster than only one bus. Bus F and D are slower than bus B, whose speed is 74 kmph. The sum of the speed of bus D and A is 110 kmph. The speed of bus E is 60 kmph. The bus whose speed is 58 kmph is slower than only three buses. The speed of bus F is equal to the average speed of bus B and E.