Subject
Quantitative Aptitude
Topic
Number
If x and y are integers and (xy+x) is odd, which of the following must be even?
If x and y are integers and (xy+x) is odd, which of the following must be even?
ক)
x+yখ)
xy-xগ)
xঘ)
yঙ)
any of theseExplanation
-x+y: odd + even = odd (even নয়) -xy-x: (odd × even) - odd = even - odd = odd (even নয়) -x: আমরা জানি এটি odd (even নয়) -y: আমরা জানি এটি even (সঠিক) -এর যেকোনোটি: এটি সঠিক নয়, কারণ শুধুমাত্র y even *সুতরাং, সঠিক উত্তর হল (D) y।Related questions
The average of four consecutive odd positive integers is alwaysIf n and p are both odd numbers, which of the following must be an even number?If x is not a negative number, what is the maximum possible value of 2-3x?If x and y are both odd integers, which of the following numbers must be an even integer?If m is an even integer and n is an odd integer and both are positive numbers, which of the following must be even?If x and y are positive odd integers and z is an even integer, which one of the following statements cannot be true?If a and b are integers such that a+b=5, which of the following must be true?I. The product of a and b is odd.II. If a is odd then b must be even.III. If a is negative, then b must be positive.If x is a positive even number, then each of the following is odd except: