poul_249 wrote:

Could anyone please explain why OA is marked A. I think both the statements r sufficient . Ans should be D

Hi..

ans should be A

chetan2u wrote:

Is x divisible by 6, if x is an even integer?

(1) \(x=27!-17!\)

(2) \(x=3y\)

New Question

INFO given-

x is even integer..

(1) \(x=27!-17!\)

x=27!-17!=17!(18*19*..27-1)

17! is a MULTIPLE of 6, so ans is YES

suff

(2) \(x=3y\)

this is a TRAP...

it is nowhere given that y is an integer...x=3y....

say y is 20....ans is YES

BUT if y is \(\frac{20}{3}\)...x becomes 20 and ans is NO..

Insuff

A..

IMPORTANT...

80% answering it wrong shows us to be careful in reading the info provided