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Questions  

If [x] and {x} represent the integral and fractional parts of x, respectively, then the value of r=12000x+r2000 is

a
x
b
x
c
x
d
x+2001

detailed solution

Correct option is C

∑r=12000x+r2000 =∑r=12000x2000 since it is fractional part function =2000x2000=x.

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