Quant: Fundamentals

Question 1

Before you multiply a fraction, you should check it can be [blank] first

Answer 1

Reduced

Question 2

When you split up a denominator of a fraction?

Answer 2

never

Question 3

You should [blank] fractions at every step during a problem to make it easier

Answer 3

Reduce

Question 4

what is the mathematical translation of “percent” when setting up a percentage problem

Answer 4

/100

Question 5

what is the mathematical translation of “of” when setting up a percentage problem

Answer 5

multiply (x)

Question 6

what is the mathematical translation of “what” when setting up a percentage problem

Answer 6

x,y,or z (any variable

Question 7

what is the mathematical translation of “is, are,were “ when setting up a percentage problem

Answer 7

= (equal sign)

Question 8

Quick way to find 1% of any number

Answer 8

move decimal two places to the left

Question 9

quick way to find 10% of a number

Answer 9

move decimal one place to the left

Question 10

quick way to find 5% of a number

Answer 10

use the quick method to calculate 10 percent and then cut it by half

Question 11

When you see percentage problems, what should you do at the beginning before you start solving?

Answer 11

Check the available responses to see how detailed you’ll need to be. If they aren’t close, then you can be more rough with your calculation to save time

Question 12

Formula for percent change

Answer 12

(new-old)/old x 100

Question 13

1/2 as a decimal

Answer 13

0.5

Question 14

1/2 as a percent

Answer 14

50%

Question 15

1/3 as a decimal

Answer 15

.33 (repeating)

Question 16

1/3 as a percent

Answer 16

33.3% (repeating)

Question 17

2/3 as a decimal

Answer 17

.66 (repeating)

Question 18

2/3 as a percentage

Answer 18

66.6% (repeating)

Question 19

1/4 as a decimal

Answer 19

.25

Question 20

1/4 as a percentage

Answer 20

25%

Question 21

3/4 as a decimal

Answer 21

.75

Question 22

3/4 as a percentage

Answer 22

75%

Question 23

1/5 as a decimal

Answer 23

.2

Question 24

1/5 as a percentage

Answer 24

20%

Question 25

2/5 as a decimal

Answer 25

.4

Question 26

2/5 as a percentage

Answer 26

40%

Question 27

3/5 as a decimal

Answer 27

.6

Question 28

3/5 as a percentage

Answer 28

60%

Question 29

4/5 as a decimal

Answer 29

.8

Question 30

4/5 as a percentage

Answer 30

80%

Question 31

1/6 as a decimal

Answer 31

.166 (6's repeating)

Question 32

1/6 as a percentage

Answer 32

16.6% (6's repeating)

Question 33

1/8 as a decimal

Answer 33

.125

Question 34

1/8 as a percentage

Answer 34

12.5%

Question 35

Do you need to calculate compound interest on the GMAT?

Answer 35

No, you just need to know the formula

Question 36

How to handle rare compound interest questions on the GMAT (easy way)

Answer 36

calculate simple interest and assume it's a little bit more

Question 37

Compound interest formula

Answer 37

principal + interest = principal x (1+r)^t

Question 38

Gross Profit formula (2 variations)

Answer 38

Gross profit = revenues - expenses | Gross Profit = selling price - cost