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Test your basic knowledge 
GMAT Math Memorization
Start Test
Study First
Subjects
:
gmat
,
math
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it reenforces your understanding as you take the test each time.
1. Exponents  Raising a power to a power
380
Multiply the exponents (4^3)^2 = 4^(3*2) = 4^6
Permutations ask for 'arraingements' Combinations ask for 'Groups'
64
2. =9*10
4 096
324
90
Rate * Time = Distance (Hint: Draw a chart)
3. =9*14
225
4 096
One (1)
126
4. =3^3
225
A*B (Multiply both probabilities)
27
187
5. Probability that A and B will both happen?
240
361
The direction of the inequality symbol changes
A*B (Multiply both probabilities)
6. 4/0 =
209
Undefined
88
360
7. =5*5
40
25
NO
Ignor decimal points and multiply the two numbers  then count the digits to the right of the decimal points in the original numbers and place the decimal so there are the same number of digits to the right of the decimal
8. =4*11
44
The reciprocal of the same number to the positive power (y). (eg 3^2 = 1/(3^2) = 1/9)
182
48
9. =9*16
144
272
The direction of the inequality symbol changes
8
10. =3^6
Will = 1  Won't
If the sum of its can be divided evenly by 3 (216  is because 2+1+6 is divisible by 3)
729
112
11. 64^(1/3)
165
27
49
4
12. =16*18
288
Pick the # that occurs most frequently
0 (any fraction with 0 on top is 0)
512
13. =3^3
55
27
198
120
14. SQRT 256
16
Amount of increase/original amount = x/100 (Then cross multiply to find x)
135
132
15. =6*17
The reciprocal of the same number to the positive power (y). (eg 3^2 = 1/(3^2) = 1/9)
3
144
102
16. SQRT 225
100 000
64
Invert (reciprocal) the second fraction and multiply
15
17. =17*17
108
289
88
If the sum of its can be divided evenly by 3 (216  is because 2+1+6 is divisible by 3)
18. How do you find the median of a set of numbers?
Arrainge #s from least to greatest and take the middle number or the average of the two middle #s
266
76
192
19. Area of a triangle?
4 096
(b*h)/2
60
64
20. =7*16
112
225
Undefined
343
21. Adding and Subtracting Decimals
216
121
Rate * Time = Distance (Hint: Draw a chart)
Line up the decimal points and proceed as usual
22. =5^4
729
81
104
625
23. =9*19
108
1.732050808
Will = 1  Won't
171
24. Distance Formula?
60
0 (any fraction with 0 on top is 0)
Rate * Time = Distance (Hint: Draw a chart)
0 (any fraction with 0 on top is 0)
25. =6*8
48
512
144
70
26. SQRT 6 561
81
48
7 776
1 296
27. =7^2
NO
5^(1/3)
42
49
28. =15*16
65
Amount of increase/original amount = x/100 (Then cross multiply to find x)
75
240
29. SQRT 169
50
13
143
Difference in the ycoordinates over the difference in the x coodinates
30. =3*5
15
9
128
187
31. SQRT 81
Itself
238
Even
9
32. =4^5
1 024
Move the decimal to the right on both numbers until there is nothing to the right of the decimal
216
16
33. =3*10
x:x^(1/3):2x
25
If the sum of its can be divided evenly by 3 (216  is because 2+1+6 is divisible by 3)
30
34. =7*18
108
247
11
126
35. SQRT 400
45
20
It gets smaller
100
36. =11*16
36
176
320
3
37. =9*11
99
78
343
Ignor decimal points and multiply the two numbers  then count the digits to the right of the decimal points in the original numbers and place the decimal so there are the same number of digits to the right of the decimal
38. =4*6
49
180
y=mx+b where b is the yintercept (the point which crosses the yaxis) m is the slope of the line  and x & y are the coordinates of some point on that line
24
39. =10^8
104
256
100 000 000
64
40. =2^2
2pr
56
4
35
41. =4*5
20
NO
Add or subtract the numbers on top and keep the same denominator
140
42. =5*17
60
81
240
85
43. =3*14
72
If the sum of its can be divided evenly by 3 (216  is because 2+1+6 is divisible by 3)
132
42
44. 729^(1/3)
Undefined
125
2
9
45. SQRT 10 000
Amount of increase/original amount = x/100 (Then cross multiply to find x)
80
10 000
100
46. =5*15
NO
75
729
225
47. =6^5
64
154
4
7 776
48. Order of operations
27
PEMDAS (parenthesis  Exponents  Multiplication  Division  Addition  Subtraction)
6
320
49. =4*14
0 (any fraction with 0 on top is 0)
Odd
32
56
50. =19*19
361
340
140
Will = 1  Won't