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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. =8^4
84
126
30
4 -096

2. =13*18
48
102
234
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)

3. =4*14
8
56
4 -096
126

4. =12*20
160
135
266
240

5. =6^3
162
216
90
8

6. =5*19
95
112
240
169

7. =3^3
27
72
It becomes positive
132

8. =13*20
5
300
Multiply the # of choices for each of the spots--but the number of choices keeps getting smaller
260

9. Right Isosceles triangle (lengths)?
100
9
Side - Side - Side^2
10

10. =11*20
160
220
8
247

11. Basic probability formula?
40
9
Number of outcomes you want/total number of possible outcomes
42

12. =4*8
32
Add their exponents (6^2 *6^3 = 6^5)
64
5^(1/3)

13. =7^4
Will = 1 - Won't
96
2 -401
121

14. Probability that A or B will happen?
A+B (Add both probabilities)
70
33
Difference in the y-coordinates over the difference in the x coodinates

15. Exponents - Dividing numbers with same base
24
96
60
Subtract the bottom exponents from the top exponents (3^6 / 3^2 = 3^4)

16. =9*10
216
90
9
40

17. =9*16
84
360
55
144

18. =6*12
72
36
100 -000
9

19. =6^2
36
729
16
135

20. =9*17
59 -049
9
If the number formed by it's last 2 digits is divisible by 4 (3 -028 is because 28 is divisible by 4)
153

21. Any number to the 0 power is?
176
Undefined
4
One (1)

22. =3*16
59 -049
48
36
91

23. =4^4
2
16
4
256

24. =4*18
324
64
72
140

25. =18*18
165
324
256
100

26. =3^1
3
54
48
35

27. =8*17
153
136
25
36

28. =7*17
The direction of the inequality symbol changes
119
36
225

29. Does x^2 + x^3 = x^5?
100
0 (any fraction with 0 on top is 0)
NO
55

30. Equation for a line?
90
324
If the number formed by it's last 2 digits is divisible by 4 (3 -028 is because 28 is divisible by 4)
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

31. =9^4
6 -561
7
Add their exponents (6^2 *6^3 = 6^5)
Multiply the numerators and put the product over the product of the denominators

32. 8^(1/3)
2
168
16
7

33. 4/0 =
266
A+B (Add both probabilities)
Undefined
125

34. =9^3
729
65
0 (any fraction with 0 on top is 0)
64

35. =6*11
66
512
204
36

36. =9^3
0 (any fraction with 0 on top is 0)
84
729
9

37. Does x^6 - x^2 = x^4?
256
80
Undefined
NO

38. =8*8
285
64
1
180

39. =16*19
NO
10 -000
56
304

40. Dividing Fractions
Multiply the # of choices for each of the spots--but the number of choices keeps getting smaller
48
121
Invert (reciprocal) the second fraction and multiply

41. Any number to the negative power (y) is equal to?
56
The reciprocal of the same number to the positive power (y). (eg 3^-2 = 1/(3^2) = 1/9)
729
Side - Side - Side^2

42. =6*9
117
1 -000
54
102

43. =3*19
32
57
144
45

44. =9^2
135
81
68
120

45. =11*17
24
187
Even
77

46. =3*3
228
A*B (Multiply both probabilities)
1 -000 -000
9

47. =4*12
48
270
NO
8

48. =9*9
(x-y)^2
Even
81
204

49. =6^6
1 -000
46 -656
1 -024
272

50. =5*11
55
42
154
100