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All numbers divisible by 4 must also be divisible by 8 and all numbers divisible by 8 must also be divisible by 4


Options:
A .    False
B .   True
C .   Sum 
D .   sum, difference and product
Answer: Option A
:
A

If a number is divisible by a number 'n', it is also divisible by the factors of 'n'.


Factors of 8 = 1, 2, 4, 8


Any number divisible by 8 will also be divisible by 4.


But vice-versa is not true. For example 20 is divisible by 4 but not divisible by 8



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