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GMAT Math Memorization

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. =6^2
36
PEMDAS (parenthesis - Exponents - Multiplication - Division - Addition - Subtraction)
2pr
5

2. even + even =
Even
100
Undefined
57

3. =8*12
72
5^(1/3)
340
96

4. =13*20
27
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
260
16

5. =8^2
Multiply the # of choices for each of the spots--but the number of choices keeps getting smaller - stop when all the places are taken
64
8
11

6. =7*18
225
Won't = 1 - Will
126
8

7. =8*14
4 -096
42
112
If the number formed by it's last 2 digits is divisible by 4 (3 -028 is because 28 is divisible by 4)

8. SQRT 729
27
2 -401
15
4

9. =19*19
224
50
27
361

10. When is a number divisible by 6?
20
Even
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)
4 -096

11. =8^3
512
255
76
306

12. Area of a parallelogram?
Base * Height
196
1 -000
36

13. 0/1 =
15
9
0 (any fraction with 0 on top is 0)
198

14. =6*18
108
0 (any fraction with 0 on top is 0)
18
187

15. =25^2
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)
9
224
625

16. =20^2
Multiply the # of choices for each of the spots--but the number of choices keeps getting smaller
Multiply the # of choices for each of the spots--but the number of choices keeps getting smaller - stop when all the places are taken
400
7

17. SQRT 49
7
64
The direction of the inequality symbol changes
81

18. =10^1
49
1 -000 -000
180
10

19. =7*9
64
20
63
Pick the # that occurs most frequently

20. SQRT 100 -000 -000
57
10 -000
5
8

21. =3*13
Start with the number of permutations - that is the numerator(top). The Denominator is the number of combinations (eg 432*1)
16
65
39

22. =11*11
125
8
121
729

23. =4*11
1 -000
44
84
49

24. =3*15
45
182
24
260

25. =3^3
Undefined
25
27
135

26. =2^5
154
32
55
324

27. SQRT 2 -401
304
Add their exponents (6^2 *6^3 = 6^5)
153
49

28. =1^3
1
Permutations ask for 'arraingements' Combinations ask for 'Groups'
342
154

29. =4*17
68
Subtract the bottom exponents from the top exponents (3^6 / 3^2 = 3^4)
11
1.732050808

30. =5*9
45
Line up the decimal points and proceed as usual
400
24

31. =5*14
Difference in the y-coordinates over the difference in the x coodinates
70
91
x:x^(1/3):2x

32. =4^4
256
3
2 -401
165

33. =12*17
1.414213562
204
64
243

34. SQRT 36
56
Pr^2
6
44

35. Key to percent increase/decrease
32
216
Amount of increase/original amount = x/100 (Then cross multiply to find x)
36

36. =12*12
32
64
Permutations ask for 'arraingements' Combinations ask for 'Groups'
144

37. SQRT 4
114
2
266
70

38. =8*19
72
Rate * Time = Distance (Hint: Draw a chart)
152
272

39. Adding or subtracting fractions with different denominators
210
8
Multiply both fractions to get a common denominator add or subtract as usual
240

40. =5*6
30
One (1)
Itself
36

41. =7*13
91
4
Invert (reciprocal) the second fraction and multiply
9

42. even x odd =
Even
54
98
7

43. Factor x^2-2xy+y^2
1 -000 -000 -000
(x-y)^2
55
39

44. SQRT 1 -024
Multiply the # of choices for each of the spots--but the number of choices keeps getting smaller
32
243
152

45. =7*17
27
119
169
156

46. =13*15
132
4
Add or subtract the numbers on top and keep the same denominator
195

47. =3*5
180
13
10 -000
15

48. =5^5
260
0 (any fraction with 0 on top is 0)
6
3 -125

49. =5*19
1 -024
100 -000
95
225

50. =10^9
204
108
125
1 -000 -000 -000