Aptitude - Numbers - Discussion
Discussion Forum : Numbers - General Questions (Q.No. 85)
85.
If a and b are odd numbers, then which of the following is even ?
Answer: Option
Explanation:
The sum of two odd number is even. So, a + b is even.
Discussion:
3 comments Page 1 of 1.
Jaspreet said:
2 years ago
Thanks for explaining the answer.
Nithu said:
10 years ago
Odd + odd = even.
Odd - odd = even.
Even + even = even.
Even - even = even.
Odd * odd = odd.
Even * even = even.
Even * odd = even.
Odd - odd = even.
Even + even = even.
Even - even = even.
Odd * odd = odd.
Even * even = even.
Even * odd = even.
Priyanka gupta said:
1 decade ago
Do by variable approach.
Take a = 1, b = 3.
A) a+b = 4.
B) a+b+1 = 5.
C) ab = 3.
D) ab+2 = 5.
Therefore, answer is even in case of option (A).
Take a = 1, b = 3.
A) a+b = 4.
B) a+b+1 = 5.
C) ab = 3.
D) ab+2 = 5.
Therefore, answer is even in case of option (A).
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