self Maths Puzzle

A salesperson drive 238, 159, 87, 163, and 198 miles (mi) on a 5-day trip. What was the mean number of miles driver per day?

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self Other Question

An automobile travels 10km at a speed of 100kph, 40km at 80kph and a 3rd diatance at 50kph. If the average velocity for the trip is 70kph, what is the length of the 3rd distance travelled? Find the next number in the series
7,14,32,60,134,186,?