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21 Jun 2018, 02:38
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D
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
45%
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57% (01:09) correct
43%
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How many positive integers are both multiples of 4 and divisors of 64 ?
(A) Two
(B) Three
(C) Four
(D) Five
(E) Six
(A) Two
(B) Three
(C) Four
(D) Five
(E) Six
21 Jun 2018, 02:43
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D
DIVISORS of 64 - 1,2,4,8,16,32,64
out of these only 4,8,16,32,64 are the multiples of 4 so answer should be 5
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DIVISORS of 64 - 1,2,4,8,16,32,64
out of these only 4,8,16,32,64 are the multiples of 4 so answer should be 5
Posted from my mobile device
Azedenkae
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21 Jun 2018, 03:47
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It's all the powers of 2 smaller than or equal to 64, minus 2 itself.
64 is 2^6, so not taking into account 2 itself, we have 5 powers, or 5 numbers that fit the bill.
Hence the answer is D.
64 is 2^6, so not taking into account 2 itself, we have 5 powers, or 5 numbers that fit the bill.
Hence the answer is D.
