Puzzle 17
During a recent trip to Scotland, I filled my car's 10 gallon fuel tank to the very top.
I travelled at 60 mph up the motorway, and I knew that I averaged exactly 40 miles per gallon.
However, the moment I started, my fuel tank developed a leak, and four hours later I came to a complete stop as I'd run out of fuel!
How much fuel did I lose through the leak?
Puzzle 18
Which name is missing from this sequence:
Richard · ? · Keith · Graham · Kevin · James · Matthew
Choose from:
Simon, Steve, Bob, Frank, Gavin
Puzzle 19
Hidden in the grid below are eight, 7-letter words. Each word begins with the central P and you can move one letter in any direction to the next letter. All of the letters are used exactly once each. What are the words?
| D | I | S | I | S | A | K |
| M | R | C | N | C | Y | E |
| A | C | Y | A | H | N | A |
| H | Y | S | P | I | B | L |
| I | E | R | O | L | L | S |
| C | M | P | U | R | A | T |
| M | U | I | L | A | E | R |
Note: this puzzle is not interactive, and the letters cannot be clicked.
Puzzle 20
What number comes next in this sequence:
3 · 24 · 102 · 312 · 777 · ?