# GMAT

## 88 terms

### What is an integer?

Integers are numbers sometimes called whole or natural numbers

Yes

no

yes

yes

yes

positive

negative

-30

positive

25

1

-8

10

### what are the ten digits?

0, 1, 2, 3, 4, 5, 6, 7,8 ,9

2, 4, 6

### In 642, what is the name of each of the digits?

6 is called units or (ones) digit
4 is called the tens digit
2 is called the hundreds digit

no

### Why is 45.93 not an integer?

Because it's a decimal

### Name the digits of 27.64?

2 is the tens digit
7 is the units digit
6 is the tenths digit
4 is the hundredths digit

### How can you differentiate the difference between digits before and after the decimal point?

digits before the decimal point are called hundreds, tens, units.
Digits after the decimal point is called tenths, hundredths, thousandths.

7

### What is a remainder?

when an integer cannot be divided evenly by another integer, the integer left over at the end of the division is called the remainder

yes

### What are even numbers?

they are integers that can be divided evenly by 2, leaving no remainder.

-6, -4, 0, 4 ,8

yes

### How can you tell if 759334 is even?

the last digit is divided evenly by two

### What are odd numbers?

numbers that cannot be divided by two evenly?

### What are some odd numbers?

-5, -3, -1, 1, 3, 5

### How can you tell if an integer is odd?

any integer whose last digit cannot be divided evenly by two

even

odd

even

even

even

odd

### What are integers listed in order of increasing value without any integers missing in between?

consecutive integers

yes

### Is -1, 0, 2, 3, 4 a consecutive integer? Why?

no because it's missing the number 1

-3, -1, 1, 3, 5

-2, 0, 2, 4, 6

yes

### If two numbers are distinct can they be equal?

no because they must have different values

### What is a prime number?

a positive number that is divisible only by two numbers: itself and 1

### Are prime numbers negative? Why?

No they must be positive

2

No

### How can you tell if an integer is divisible by 2?

if the unit digit is divisible by two (that is even)

### How can you tell if an integer is divisible by 3?

if the sum of the digits is divisible by three.

### How can you tell if an integer is divisible by 4?

if the number formed by its last two digits is divisible by 4.

### Is 3,028 divisible by 4?

yes because 28 is divisible by 4

### How can you tell if an integer is divisible by 5?

if its final digit is ether 0 or 5.

### An integer is divisible by 6 if:

it is divisible both by 2 and 3, factors of 6.

### Is 318 divisible by 6?

yes. the last digit is even and divisible by two and 3 + 1+ 8= 12 and is divisible by 3.

0

undefined

denominator

5

8

### What is statement A of data sufficiency?

Statement (1) alone is sufficient, but statement (2) alone is not sufficient

### What is statement B of data sufficiency?

Statement (2) alone is sufficient, but statement (1) alone is not sufficient

### What is statement C of data sufficiency?

Both statements together are sufficient, but neither statement alone is sufficient.

### What is statement D of data sufficiency?

Each statement alone is sufficient.

### What is statement E of data sufficiency?

Statements (1) and (2) together are not sufficient.

A,D or B, C, E

### What does data sufficiency mean?

these questions are asking you if the data presented is enough to solve the problem. It does not mean traditional problem solving.

### How many "yes", "no" type of questions on Data Sufficiency will there be on the test?

As many as half of all the data sufficiency questions.

### What can't you assume on data sufficiency type of questions?

that you can't assume the people, candidates, goats, etc., are the amount of what the question says.

No

=8

=4

### what is the associative law?

it can only be done with addition and multiplication, it is where you can switch the numbers around and still get the same answer. 2+3+4 equals the same as 4+2+3. And 4x5x6 is the same as 6x5x4.

immediately.

immediately

ab +ac

a(b+c)

6

### If ax + ay + az = 15, what is x + y + z? x = 2, a = 5

a=5, problem must be factored

### what is a numerator?

the number on top of a fraction

### what is a denominator?

the number on the bottom of a fraction

6/7

4/7

### Can you add or subtract fractions with different denominators?

no you must make the denominators the same

12/15

### how do you divide fractions?

invert the second fraction and multiply

### what is a reciprocal?

when a fraction is inverted the new fraction is called a reciprocal.

7/2