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
answer the question asked, but NEITHER statement ALONE is
sufficient.
d) if EACH statement ALONE is sufficient to answer the
question asked.
e) if statements (1) and (2) TOGETHER are NOT sufficient to
answer the question asked, and additional data specific to
the problem are needed.
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Answer / gaurav.s. a.i.e.t
(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.
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Answer / athresh
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 |
Answer / sam
i dont know the answer can u any one explain the concept to me
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