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Sunday, February 22, 2009

Entrance Exam for the SOTI Academy

Question 1: If you took a long ribbon and wrapped it around the equator touching the surface all the way, then increased the length of the ribbon by one metre and raised it equally all round the earth, what would the distance be between the surface of the earth and the ribbon? (The circumference of the earth is approximately 40,075,160 metres)

Question 2: If you took a long ribbon and wrapped it around a sphere one meter in circumference touching the surface all the way, then increased the length of the ribbon by one metre and raised it equally all the way round, what would the distance be between the surface of the sphere and the ribbon?

Question 3: I have a mobile phone which makes and receives calls perfectly but cannot send text messages. Would it be worth trying a new SIM card or not?


Answers to 1 and 2 below, answer to 3 in the comments please!



Answers