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GMAT Math Memorization
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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 re-enforces your understanding as you take the test each time.
1. =7*9
10
343
84
63
2. =9*14
247
126
1.414213562
1 -296
3. =8*11
88
5
104
NO
4. =3^3
45
Base * Height
56
27
5. =12*15
16
100
104
180
6. =9^2
It becomes positive
100
81
3
7. =8^1
20
121
8
27
8. =4*11
75
45
44
100 -000
9. Probability that A and B will both happen?
225
64
A*B (Multiply both probabilities)
72
10. even x odd =
57
Even
36
Arrainge #s from least to greatest and take the middle number or the average of the two middle #s
11. =12*14
64
168
156
48
12. =4^2
16
60
PEMDAS (parenthesis - Exponents - Multiplication - Division - Addition - Subtraction)
625
13. =5^3
Permutations ask for 'arraingements' Combinations ask for 'Groups'
100
176
125
14. =10^5
Combinations don't care about the order of the problems
340
154
100 -000
15. =4^3
If the sum of its can be divided evenly by 3 (216 - is because 2+1+6 is divisible by 3)
64
44
152
16. =5^5
209
60
3 -125
Start with the number of permutations - that is the numerator(top). The Denominator is the number of combinations (eg 432*1)
17. 64^(1/3)
64
50
4
64
18. =11*15
289
y=mx+b where b is the y-intercept (the point which crosses the y-axis) m is the slope of the line - and x & y are the coordinates of some point on that line
165
96
19. =11*14
54
Rate * Time = Distance (Hint: Draw a chart)
154
1.414213562
20. =7*10
24
Arrainge #s from least to greatest and take the middle number or the average of the two middle #s
70
144
21. =9^3
32
729
1 -000 -000 -000
Multiply both fractions to get a common denominator add or subtract as usual
22. =16*19
If the number formed by it's last 2 digits is divisible by 4 (3 -028 is because 28 is divisible by 4)
304
100 -000 -000
8
23. Pythagorean Triples (lengths)?
64
3:4:5 -- 5:12:13 -- 7:24:25
4
209
24. =3*9
85
2
Odd
27
25. =13*14
40
400
182
32
26. =6*8
28
If it is divisible by both 2 and 3 (318 is because it is even and the sum of 3+1+8 is divisible by 3)
133
48
27. Permutations: single source - order matters
Multiply the # of choices for each of the spots--but the number of choices keeps getting smaller
13
140
60
28. =11*16
2
198
176
8
29. =13*18
234
A*B (Multiply both probabilities)
2 -401
9
30. =7^4
2 -401
3
216
15
31. =10^2
It becomes positive
0 (any fraction with 0 on top is 0)
224
100
32. If you raise a negative number to an even power - what happens to the number?
247
140
It becomes positive
42
33. =7*15
72
105
361
7 -776
34. =4*6
143
3
24
4 -096
35. =9*18
162
256
144
NO
36. SQRT 400
20
Add their exponents (6^2 *6^3 = 6^5)
285
400
37. =17*17
54
224
If the sum of its can be divided evenly by 3 (216 - is because 2+1+6 is divisible by 3)
289
38. When is a number divisible by 4?
If the number formed by it's last 2 digits is divisible by 4 (3 -028 is because 28 is divisible by 4)
Permutations ask for 'arraingements' Combinations ask for 'Groups'
30
64
39. Probability that A or B will happen?
5
162
Subtract the smallest number from the greatest number
A+B (Add both probabilities)
40. SQRT 4 -096
Odd
6
64
8
41. =9*11
75
343
27
99
42. even x even =
Even
323
126
Invert (reciprocal) the second fraction and multiply
43. =4*15
60
105
90
144
44. =11*18
4
9
198
5^(1/3)
45. =18*18
306
Add their exponents (6^2 *6^3 = 6^5)
324
8
46. 30:60:90 Right Triangle (Lenghts)
x:x^(1/3):2x
72
Move the decimal to the right on both numbers until there is nothing to the right of the decimal
If the sum of its can be divided evenly by 3 (216 - is because 2+1+6 is divisible by 3)
47. =14*17
9
238
5
512
48. =8*12
176
96
81
Subtract the smallest number from the greatest number
49. SQRT 3
1.732050808
1 -296
2
64
50. =8*16
128
240
NO
5
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