by Graham Smithers
On a golf course with six par 3, six par 4 and six par 5 holes, John and Mark each finished with six holes of 3, 4 and 5 strokes.
It also turned out that they each scored six holes one under par, six holes on par, and six holes one over par.
Their scores were never equal at any hole and Mark won on ten of them.
How many of Mark’s winning holes were (a) par 3, (b) par 4, and (c) par 5 holes?