Bunuel wrote:
Is a^5 divisible by 4?
(1) a^5 – 8 is divisible by 4.
(2) a is divisible by 6.
(1) a^5 – 8==(x-2)4.......where a^5=x*4......
thus a^5 is div by 4...........suff
(2) a=6=2*3
a^5=2^5*3^5
thus a^5 is div by 4.......suff
Ans D
Is a^5 divisible by 4?
(1) a^5 – 8 is divisible by 4.
(2) a is divisible by 6.
(1) a^5 – 8==(x-2)4.......where a^5=x*4......
thus a^5 is div by 4...........suff
(2) a=6=2*3
a^5=2^5*3^5
thus a^5 is div by 4.......suff
Ans D
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