If x is an even number and y is an odd number then which of the following is even.
A. y × (x + y) – yy B. x × (x – y) – xy C. xy × (yy – y) – xx
Explanation:
A. y × (x + y) – yy = odd × odd – odd = even
B. x × (x – y) – xy = even × odd – even = even
C. xy × (yy – y) – xx = even × even – even = even
Hence, option (e).
» Your doubt will be displayed only after approval.
Help us build a Free and Comprehensive Preparation portal for various competitive exams by providing us your valuable feedback about Apti4All and how it can be improved.