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3 to 2 against the hippopotamus winning.
What are the odds against the elephant winning if the race?
If it takes four men one day to build a wall, how long does it take 60,000 men to build a similar wall?
Which is a better fit, a square peg in a round hole or a round peg in a square hole?
If the sides of the triangle in the diagram are 3, 4 and 5, what is the area of the shaded square?