Which of the following is/are true of world time zones?I. The world is divided into thirty time zonesII. All time zones of the world are described in term of the number of hours difference between the standard meridian of that zone and the Greenwich MeridianIII. All countries have more than one time zoneIV. The time for all places east of Greenwich is designated slow, and time for all places left of Greenwich is designated fast

Which of the following is/are true of world time zones?I. The world is

1.	Which of the following is/are true of world time zones?I. The world is divided into thirty time zonesII. All time zones of the world are described in term of the number of hours difference between the standard meridian of that zone and the Greenwich MeridianIII. All countries have more than one time zoneIV. The time for all places east of Greenwich is designated slow, and time for all places left of Greenwich is designated fast
A.	, II, III and IV
B.	I and IV
C.	, III and IV
D.	I only
Answer» E.

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