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If a and b are positive integers, is a + 4b odd?

1) b is even.

2) a is odd.

a) if statement (1) ALONE is sufficient, but statement (2)
alone is not sufficient to answer the question.
b) if statement (2) ALONE is sufficient, but statement (1)
alone is not sufficient to answer the question.
c) if BOTH statements (1) and (2) TOGETHER are sufficient to
sufficient.
d) if EACH statement ALONE is sufficient to answer the
e) if statements (1) and (2) TOGETHER are NOT sufficient to
the problem are needed.

Answers were Sorted based on User's Feedback

If a and b are positive integers, is a + 4b odd? 1) b is even. 2) a is odd. a) if statement..

b

 Is This Answer Correct ? 13 Yes 0 No

If a and b are positive integers, is a + 4b odd? 1) b is even. 2) a is odd. a) if statement..

(b) statement (2) is sufficient to answer
it has nothing to do with 4b because ...product of even and
ood is always even...
and sum of even and odd is always odd.

 Is This Answer Correct ? 10 Yes 0 No

If a and b are positive integers, is a + 4b odd? 1) b is even. 2) a is odd. a) if statement..

correct ans (b)

dont bother abt 'b' because always '4b' is even

only wen 'a' is odd we get a+4b as odd

 Is This Answer Correct ? 6 Yes 0 No

If a and b are positive integers, is a + 4b odd? 1) b is even. 2) a is odd. a) if statement..

i dont know the answer can u any one explain the concept to me

 Is This Answer Correct ? 0 Yes 0 No

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