Question

Which of the following statement is incorrect ?

• A. Even number x even number = even number
• B. Even number x odd number = even number
• C. Odd number x odd number = odd number
• D. Odd number x even number = odd number

Hint:

If you ever forget multiplication parity rules during an exam, simply plug in basic test values like 2 for even numbers and 3 for odd numbers to verify the properties instantly!

Answer 1

The Correct Option is D

Step 1: Verify.
Odd x Odd=Odd; Even x Even=Even; Even x Odd=Even -- all correct.
Step 2: Find false.
'Odd x Even=Odd' is false; odd times even is always even.
Answer: Option D (Odd x even=odd) is incorrect