If x is an even integer, which of the following is an odd integer?  Choose the correct choice from the following answers.
A) 3x + 2  B) 7x  C) 8x +5  D) x^2  E) x^3
Soln:-   A) 3x + 2   3*Even +2   = Even +Even = Even   (B) 7x   7*Even= Even   (8x +5) 8x +5   8*Even +5   = Even +5   = Odd   (D) x^2   = Even * Even = Even   (E) x^3   = Even *Even * Even   = Even   Answer 8x +5
<result>C</result>
If x is an even integer, which of the following is an odd integer?