Basic General Knowledge
The exhaled air contains

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

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Basic General Knowledge
What is the purpose of SAARC?

To improve the environment of security in the region
All of these
To accelerate economic growth and cultural development
To promote the welfare of the people of South Asia

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