Basic General Knowledge
The three abundant elements in the earth's crust are aluminium, oxygen and silicon. The correct order of their abundance is

silicon, oxygen, aluminium
oxygen, silicon, aluminium
oxygen, aluminium, silicon
aluminium, silicon, oxygen

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Basic General Knowledge
The UN Flag is made up of

the white UN Emblem is super-imposed on a light blue background
None of these
the light blue UN Emblem is super-imposed on white background
the red UN Emblem is super-imposed on white background

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