James, Ray, Eric and Charles are playing a gambling game. James and Ray have a secret agreement for immediately splitting both wins and losses between themselves. Eric owes Charles some money, which immediately entitles Charles for any money Eric makes above his initial amount. Each player has
John runs a used car business, selling Opel, Ford and Peugeot. The cars in his courtyard are lined in rows of 5 cars each. Looking at the raw arrangement of cars in the display several patterns are clearly visible:
1. Jennifer runs faster than Robyn, but slower than Grace.
2. Emma is the slowest.
3. Grace and Harriet run at the same speed.
4. Harriet runs faster than Emma.
5. Robyn runs faster than Andrea.
Which of the statements above must be true if it is followed that Harriet runs faster than Andrea?
This is data supplied by the cabbage growers union report for 2007: 80% of cabbages collected were heavy (over 0.5 kg), 10% of cabbages were green, 60% were red and 50% were big (having a diameter of over 10 cm). Which of the following statements must be false?
There are four famous topical pictures in a museum: scenery, a kitchen, a park, and oranges.
The paintings were painted by Jones, Smith, Hardy, and Lane. The scenery painting is hanging next to Smith's painting. The scenery painting also hangs between the park and Hardy's painting. Jones didn't paint the scenery or the oranges.