If c is an even integer and c/18 is an odd integer, which of the following is NOT an even integer?  Choose one:
A) (c^2)/54	B) (c^2)/16	C) (c^2)/9	D) (c^2)/6	E) (c^2)/2
since c is an even integer and c/18 is an odd integer. thus maximum power of 2 in a is one. why ?? because if the power of 2 in the expression has been 2 or greater, then the c/18 must have been an even integer. (18=2*3^2. as 18 contain only one 2 in the expression)   now, any expression in which we have 4 at the denominator will be odd. out of the given options only 16 is a multiple of 4. hence answer should be (c^2)/16
<result>B</result>
If c is an even integer and c/18 is an odd integer, which of the following is NOT an even integer?