Number Theory

Math: Number Theory
Question: If you add on odd number to an odd number, what do you get?
(a) An odd number
(b) An even number
(c) A prime number / Math: Number Theory
Question: If you add an even number to an even number, what do you get?
(a) An odd number
(b) An even number
(c) A prime number / Math: Number Theory
Question: If you add a prime number to a prime number, and they are both greater than two,
What do you get?
(a) An odd number
(b) An even number
(c) A prime number
Math: Number Theory
Question: If you multiply an odd number with an odd number, what do you get?
(a) An odd number
(b) An even number
(c) A prime number / Math: Number Theory
Question: If you multiply two prime numbers greater than 2, what do you get?
(a) An odd number
(b) An even number
(c) A prime number / Math: Number Theory
Question: What is considered to be an unlucky number in some Western countries?
Answer: 13
Math: Number Theory
Question: What are the first 5 decimal points of Pi?
Answer: 3.14159 / Math: Number Theory
Question: What is considered to be an unlucky number in some Asian countries?
Answer: 4 / Math: Number Theory
Question: Which of the following number is not a prime number?
(a) 2213
(b) 3952
(c) 6709
Math: Number Theory
Question: What do you get if you multiply two imaginary numbers?
(a) A positive number
(b) A negative number
(c) An imaginary numbers / Math: Number Theory
Question: What is the only even prime number?
Answer: 2 / Math: Number Theory
Question: What do you get if you add two negative numbers?
(a) A positive number
(b) A negative number
(c) An imaginary numbers

Number Theory

Math: Number Theory
Question: What do you get if you divide two negative numbers?
(a) A positive number
(b) A negative number
(c) An imaginary numbers / Math: Number Theory
Question: What is a rational number?
(a) A number that can be written as a fraction.
(b) A number that can’t be written as a fraction.
(c) A prime number divided by a prime number. / Math: Number Theory
Question: What is the square root of –1?
(a) An irrational number
(b) A decimal number
(c) An imaginary number
Math: Number Theory
Question: Which of the following is a fraction?
(a) 3/1
(b) 3
(c) 3.0 / Math: Number Theory
Question: Which of the following is a natural number?
(a) 3/1
(b) 3
(c) 3.0 / Math: Number Theory
Question: What symbol is used to represent an imaginary number?
Answer: i
Math: Number Theory
Question: Which of the following is a decimal number?
(a) 3/1
(b) 3
(c) 3.0 / Math: Number Theory
Question: What has more numbers: The integers or the natural numbers?
(a) Integers
(b) Natural numbers.
(c) They have the same amount of numbers. / Math: Number Theory
Question: According to Hitchhiker’s Guide to the Galaxy, what is the secret to life the universe, and everything?
(a) Pi
(b) 42
(c) Square Root of -1
Math: Number Theory
Question: What is the greatest common factor of 18 and 24?
Answer: 6 / Math: Number Theory
Question: What is the greatest common factor of 25 and 10?
Answer: 5 / Math: Number Theory
Question: What is the absolute value of -642?
Answer: 642