Quantitative Aptitude
... For example, 6 is the highest common factor of 12, 18 and 24. Highest Common Factor is also called Greatest Common Divisor or Greatest Common Measure. Symbolically, these can be written as H.C.F. or G.C.D. or G.C.M., respectively. ...
... For example, 6 is the highest common factor of 12, 18 and 24. Highest Common Factor is also called Greatest Common Divisor or Greatest Common Measure. Symbolically, these can be written as H.C.F. or G.C.D. or G.C.M., respectively. ...
Appendix: a brief history of numbers
... A prime number (or prime) is a natural number greater than 1 whose only positive divisors are 1 and itself. Or for short: a prime number is a natural number with exactly two natural divisors. The property of being a prime is called primality. The sequence of prime numbers begins 2, 3, 5, 7, 11, 13, ...
... A prime number (or prime) is a natural number greater than 1 whose only positive divisors are 1 and itself. Or for short: a prime number is a natural number with exactly two natural divisors. The property of being a prime is called primality. The sequence of prime numbers begins 2, 3, 5, 7, 11, 13, ...
Chapter 2—Operations with Rational Numbers
... form (either all fractions or all decimals) Decimals tend to be easier to work with— think of money! ...
... form (either all fractions or all decimals) Decimals tend to be easier to work with— think of money! ...
Grade 7/8 Math Circles Types of Numbers Introduction
... Although they used hieroglyphics to do it, the Egyptians were the first to count, so they are credited with the first numerical system. The most basic set of numbers that we use is called the natural numbers, sometimes known as the whole numbers, or counting numbers. This is the set {1,2,3,4,5,...}. ...
... Although they used hieroglyphics to do it, the Egyptians were the first to count, so they are credited with the first numerical system. The most basic set of numbers that we use is called the natural numbers, sometimes known as the whole numbers, or counting numbers. This is the set {1,2,3,4,5,...}. ...
Ch. 3 Review Answers
... 10. A job hotline service charges $25 plus a 4% commission, c, on the first month of earnings if it finds work for a client. Write an equation that represents the total cost, T, to find a job through the hotline. What is the cost if a client earns $1500 the first month? T = 25 + 0.04c; $85 For numbe ...
... 10. A job hotline service charges $25 plus a 4% commission, c, on the first month of earnings if it finds work for a client. Write an equation that represents the total cost, T, to find a job through the hotline. What is the cost if a client earns $1500 the first month? T = 25 + 0.04c; $85 For numbe ...
prime number
... It is an odd number. It looks like only 51 x 1 = 51, but 17 x 3 = 51 too. 51 is not a prime number. HINT: Divisibility rules and multiplication tables can help you discover that a number that seems like a prime number really isn’t. ...
... It is an odd number. It looks like only 51 x 1 = 51, but 17 x 3 = 51 too. 51 is not a prime number. HINT: Divisibility rules and multiplication tables can help you discover that a number that seems like a prime number really isn’t. ...
