# Time and Time Series

1. A van traveled from Kitale to Kisumu a distance of 160km. The average speed of the van for the first 100km was 40km/h and the remaining part of the journey its average speed was 30km/h. Calculate the average speed for the whole journey.                         (3 mks)
2. A watch which loses a half-minute every hour was set to read the correct time at 0545h on

Monday. Determine the time, in the 12-hour system, the watch will show on the following

Friday at 1945h.

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1. A watch which loses a half-minute every hour was set to read the correct time at 0445h

on Monday. Determine the time in 12-hour system, the watch will show on the following

Friday at 1845h

1. The timetable below shows the departure and arrival time for a bus plying between two

towns   M and R, 300km apart

 Town Arrival Departure M 0830h N 1000h 1020h P 1310h 1340h Q 1510h 1520h R 1600h

(a) How long does the bus take to travel from town M to R?

(b) What is the average speed for the whole journey?