Quicker Maths
17Sep/094

Speeding Away

The drive from Oakland to Pinewood was a tricky one. I covered the uphill distance of 70 miles at 35 miles per hour. The return journey from Pinewood to Oakland was downhill, and I managed to drive at 63 miles per hour. What was my average speed for the entire journey?

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Filed under: Puzzles Leave a comment
Comments (4) Trackbacks (0)
  1. Hitesh Jain
    May 30th, 2010 - 21:41

    yes Anish is correct

    ( REPLY )
  2. Mohit
    September 19th, 2009 - 13:04

    Anish is correct:

    Average Speed = Total Distance / Total Time
    = (70+70)/(2+1.11111)
    = 45 mph

    ( REPLY )
  3. Chintan
    September 18th, 2009 - 11:10

    (39+63)/2 = 98/2 = 49 miles / hr

    ( REPLY )

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