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Let g be a function defined by g(x) = {x} + (1- {x}), where {.} denotes fractional part function, then g is 

(A) odd 

(B) even 

(C) one-one 

(D) many one 

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Correct Option:-  (B) (D)

Explanation :-

g(I) = 1 

so many - one

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