How many positive integers, from 1 to 100, inclusive, are not divisible by even integers greater than 1?
(A) 5
(B) 6
(C) 8
(D) 10
(E) 50
The OA is E.
Can any expert explain this PS question please? I don't have it clear. Thanks.
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BTGmoderatorLU
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If an integer isn't divisible by any even numbers, then this integer must be odd. So the question is just asking how many odd values there are between 1 and 100, inclusive. The answer is E, 50.LUANDATO wrote:How many positive integers, from 1 to 100, inclusive, are not divisible by even integers greater than 1?
(A) 5
(B) 6
(C) 8
(D) 10
(E) 50
The OA is E.
Can any expert explain this PS question please? I don't have it clear. Thanks.
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Since every even integer is divisible by 2 and no odd integers are divisible by 2 or any other even integers, we need to determine the number of odd integers from 2 to 100 inclusive, which is:BTGmoderatorLU wrote: ↑Thu Oct 19, 2017 7:16 amHow many positive integers, from 1 to 100, inclusive, are not divisible by even integers greater than 1?
(A) 5
(B) 6
(C) 8
(D) 10
(E) 50
The OA is E.
Can any expert explain this PS question please? I don't have it clear. Thanks.
(99 - 1)/2 + 1 = 50
Answer: E
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