A prefix for billion which is equal to _____ is called as billi.

A 100
B 10000
C 1000
D 10
E None of the above

Correct Answer: 10

A prefix for billion which is equal to 10 is called as billi. British English has now adopted the American figure, though, so that a billion equals a thousand million in both varieties of English. The same sort of change has taken place with the meaning of trillion. In British English, a trillion used to mean a million.

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