166.
A thief starts running from a country house as fast as he can. Four minutes later a policeman starts in pursuit. If both run straight along the road, and the policeman gets over the ground one-third faster than the thief, how soon will he catch him?
167.
Twenty-seven articles are exposed for sale on one of the stalls of a bazaar. What choice has a purchaser?
VERY PERSONAL
168. “How old are you, dad?” said Nellie on her birthday, as her father gave her as many shillings as she was years old. His answer was quite a puzzle for a time, but with the help of her schoolfellows Nellie worked it out.
This is what he said:—