Basic General Knowledge
The term used in billiards are

blank line, break, bolting, cannon, cue, hazard, in-oft
target, field, flight, ballsege
auxiliary point system, rabbit punch, break, cut
blocking, held ball, holding, jump ball, pivot

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Basic General Knowledge
Yuri Gagarin was

None of these
both (a) and (b)
a Russian cosmonaut & became the first man to travel in space.
the first person to fly at great height of about 340 km from the earth

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