Basic General Knowledge
What was the purpose of establishment of NATO?

To maintain and develop individual and collective capacity to resist armed attack
To defend economic and trade interests of the developing nations of the world
None of these
TO provide collective defence and economic cooperation in south-east Asia

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Basic General Knowledge
The exhaled air contains

a mixture of carbon dioxide, nitrogen and oxygen in which nitrogen has the highest percentage
a mixture of carbon dioxide and nitrogen
carbon dioxide only
a mixture which has more carbon dioxide than oxygen

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