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Question


How many factors of 24000 are odd numbers?


Options:
A .   32
B .   7
C .   16
D .   none of these
Answer: Option D
:
D

Answer=option d


Prime factorize 24000=26×3×53


Take out 26 and then find the number of factors. This will give all the odd factors


In this case, number of factors =(3+1)×(1+1)=4×2=8



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