Animal Trivia: Racehorses have been known to wear out ---------- in one race.?

Questions

On which river is the city of Mandalay situated?

What company was founded by Sir Allan Lane in 1935?

Who were the learned class of the ancient Celts whose name means 'knowing the oak tree'?

Who became the first Prime Minister of Malawi in 1964?

In horse racing, what is the maximum age of a filly?