I dont know title of quiz, but my friend has asked me for help the these 4 questions.All answers contain word or words related to time in some form.
20. x100 in Beijing (4,2,3,6)
36 Its his day, but it appears there are others inside. (5,7)
63. Pi. (6)
86. Helped the sailor who was off course. (3,6)
Many thanks for tips in advance.