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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. =16*17
7
50
A+B (Add both probabilities)
272

2. =6^1
6
11
112
80

3. =13*19
40
247
28
6

4. Area of a parallelogram?
36
(x-y)^2
Base * Height
126

5. =18*20
9
If the number formed by it's last 2 digits is divisible by 4 (3 -028 is because 28 is divisible by 4)
360
If the sum of its can be divided evenly by 3 (216 - is because 2+1+6 is divisible by 3)

6. =3*17
24
51
3
285

7. =6^2
36
If the number formed by it's last 2 digits is divisible by 4 (3 -028 is because 28 is divisible by 4)
Even
Multiply the # of choices for each of the spots

8. Exponents - Raising a power to a power
Multiply the exponents (4^3)^2 = 4^(3*2) = 4^6
The direction of the inequality symbol changes
30
320

9. =25^2
57
44
729
625

10. =15*17
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)
2 -401
255
228

11. =8*11
180
125
88
63

12. =16*18
729
132
288
1 -024

13. Probability that A and B will both happen?
Even
4
144
A*B (Multiply both probabilities)

14. =4*12
81
48
90
119

15. =8*17
54
136
512
90

16. SQRT 100 -000 -000
196
10 -000
(b*h)/2
5

17. =13*20
153
Even
1 -000 -000 -000
260

18. =5*12
60
180
361
90

19. =8*14
216
9
112
156

20. =2^7
128
9
76
104

21. =15*16
187
240
729
1 -000 -000 -000

22. =9*19
266
9
Multiply the # of choices for each of the spots--but the number of choices keeps getting smaller
171

23. 30:60:90 Right Triangle (Lenghts)
Even
x:x^(1/3):2x
Permutations ask for 'arraingements' Combinations ask for 'Groups'
84

24. =5*7
234
Move the decimal to the right on both numbers until there is nothing to the right of the decimal
Itself
35

25. =3*8
266
5
169
24

26. =8*18
91
1 -000 -000
252
144

27. =13*15
0 (any fraction with 0 on top is 0)
5^(1/3)
285
195

28. =17*19
100 -000 -000
323
114
105

29. =18*19
204
36
342
9

30. Area of a triangle?
(b*h)/2
187
3:4:5 -- 5:12:13 -- 7:24:25
169

31. =6^3
144
1 -296
105
216

32. 0/1 =
Move the decimal to the right on both numbers until there is nothing to the right of the decimal
x:x^(1/3):2x
0 (any fraction with 0 on top is 0)
30

33. Distance Formula?
160
Rate * Time = Distance (Hint: Draw a chart)
81
13

34. =15*15
225
100
5
625

35. Does x^6 - x^2 = x^4?
80
182
Side - Side - Side^2
NO

36. =6*18
168
7
16
108

37. Right Isosceles triangle (lengths)?
Side - Side - Side^2
171
77
100 -000

38. SQRT 16
4
One (1)
57
Multiply the # of choices for each of the spots--but the number of choices keeps getting smaller - stop when all the places are taken

39. =2^4
210
A+B (Add both probabilities)
4
16

40. =12*14
40
323
168
1.732050808

41. =9^3
27
126
165
729

42. 64^(1/3)
4
42
48
35

43. Any number to the 0 power is?
9
One (1)
8
36

44. =3*4
182
1 -000 -000
152
12

45. 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
84
144
Invert (reciprocal) the second fraction and multiply

46. =4*6
165
30
24
42

47. =3*20
304
60
285
It gets smaller

48. =11*15
165
343
10 -000 -000 -000
65

49. =8*20
210
160
NO
Amount of increase/original amount = x/100 (Then cross multiply to find x)

50. =3^4
2pr
8
84
81