1. Asif drives 60 miles to Leicester, but an accident on the M1 reduces his average speed to 30 mph. He returns later at an average of 60 mph. What is his average speed for the combined trip?

2. If a hen and a half lays an egg and a half in a day and a half, how long would it take a dozen hens to lay a dozen eggs?

3. A cold tap filled a sink in 2 minutes whereas the hot tap took 3 mins. How long would it take for both taps together?

4. A knockout singles tennis competition starts with 32 players and none withdraw. How many games are played in total?

5. A circle C fits inside a square S1 to touch all four sides. A second square S2 fits inside C so that its four corners touch the circumference. What is the area ratio of S2 to S1? 

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