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Questions  

f{p} denotes the fractional part of the number  p, then 32008 is equal to 

a
18
b
38
c
78
d
58

detailed solution

Correct option is A

3200=32100=(1+8)100⇒ 3200=1+100C1×8+100C2×82+…+100C100×8100⇒ 32008=18+100C1+100C2×8+…+100C100×899⇒32008=18+a natural number ⇒32008=18

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