Odd or Even?

15 Points Per Correct Answer - No time limit  

1. What is the term or name given to describe whether a number is odd or even? Partition Parity Paranoid Paring

2. An odd number is the number in the form of 2n + 1. On the other hand, an even number is represented in the form of 2n. What is n? Real numbers Rational numbers Natural numbers Irrational numbers

3. An integer is odd if it ends with 1, 3, 5, 7 or 9. On the other hand, it is an even integer if it ends with 0, 2, 4, 6 or 8. But how about the numbers that are expressed in the binary system (only number 0 and 1 are used)? When written in the binary system, an odd number always ends with ___. Answer: (0 or 1?)

4. Choose the WRONG statement. 0 is an even number. The sum of 2 odd numbers is an even number. An even number is always a multiple of 2. All prime numbers are odd.

5. We define a factorial operation n! as n(n-1)(n-2)...(2)(1). All factorial operations will result in even numbers (for example, 4! = 4 x 3 x 2 x 1 = 24, where 24 is an even number) with 2 exceptions, namely ______. 0! and 2! 0! and 1! 1! and 2! 1! and 3!

6. Which of the following arithmetic operations will result in an odd number? 123456789 x 987654321 123456789 - 987654321 123456789 + 987654321 123456789 / 987654321

7. A function f is called an even function if f(x) = f(-x), that is, the function is symmetric with respect to the y-axis. Which of the following is an even function? f(x) = e^x f(x) = sin x f(x) = cos x f(x) = tan x

8. An odd function is the function in the form of -f(x) = f(-x). This type of function is symmetric with respect to the origin. In other words, the graph will look exactly the same if it rotates ___ degrees about the origin. 90 180 45 15

9. In Roman numerals, which of the following is an odd number? X L C V

10. Let A be the sum of all the odd numbers from 1 to 100 and B be the sum of all the even numbers from 1 to 100.Choose the CORRECT statement. A > B A < B A = B None of the above