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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. =7^3
100 -000
343
25
Side - Side - Side^2

2. =2^5
32
195
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
60

3. =12*13
27
156
50
Multiply the # of choices for each of the spots--but the number of choices keeps getting smaller

4. =4*12
225
65
48
4 -096

5. =3*6
80
216
9
18

6. Multiplying Fractions
99
4 -096
100
Multiply the numerators and put the product over the product of the denominators

7. =3*12
64
36
8
132

8. =6^1
6
77
280
195

9. =14*16
90
224
7 -776
198

10. =13*20
A+B (Add both probabilities)
260
1 -000 -000
28

11. 343^(1/3)
4
16
7
104

12. =2^10
100 -000
126
57
1 -024

13. =8*17
136
77
256
Won't = 1 - Will

14. =3^3
Rate * Time = Distance (Hint: Draw a chart)
20
Line up the decimal points and proceed as usual
27

15. =15^2
1 -024
225
If the number formed by it's last 2 digits is divisible by 4 (3 -028 is because 28 is divisible by 4)
11

16. =2^3
It gets smaller
234
8
88

17. =5*10
70
105
36
50

18. =6*11
2
4
256
66

19. =8^3
304
512
102
96

20. =3^4
65
192
81
143

21. =7*14
64
75
360
98

22. Dividing Decimals
100
280
Move the decimal to the right on both numbers until there is nothing to the right of the decimal
39

23. =9*12
Permutations ask for 'arraingements' Combinations ask for 'Groups'
5
108
40

24. =12*17
247
Even
204
10 -000

25. =7^3
512
60
729
343

26. SQRT 10 -000
100
6
260
9

27. =7*20
59 -049
140
625
80

28. =9^2
180
45
252
81

29. even x even =
Combinations don't care about the order of the problems
If the sum of its can be divided evenly by 3 (216 - is because 2+1+6 is divisible by 3)
Even
48

30. =8^1
81
66
8
144

31. Basic probability formula?
102
81
Number of outcomes you want/total number of possible outcomes
240

32. SQRT 16
4
Even
3
162

33. =5*15
512
96
75
10 -000

34. =18*18
512
324
195
20

35. =6*14
84
216
42
33

36. Adding or subtracting fractions with the same denominator
Add or subtract the numbers on top and keep the same denominator
76
16
64

37. =6*15
90
Won't = 1 - Will
25
15

38. =9*14
168
729
Multiply the numerators and put the product over the product of the denominators
126

39. =7*10
Even
16
70
512

40. =4^4
266
One (1)
136
256

41. 4/0 =
143
49
165
Undefined

42. Any number to the negative power (y) is equal to?
6 -561
196
The reciprocal of the same number to the positive power (y). (eg 3^-2 = 1/(3^2) = 1/9)
90

43. SQRT 64
10
126
Subtract the smallest number from the greatest number
8

44. =7*9
25
216
64
63

45. Does x^2 + x^3 = x^5?
88
256
NO
(b*h)/2

46. Any number to the 0 power is?
30
91
33
One (1)

47. even + odd =
1.414213562
Odd
76
Multiply the # of choices for each of the spots--but the number of choices keeps getting smaller - stop when all the places are taken

48. =6^6
A+B (Add both probabilities)
154
Undefined
46 -656

49. =10^8
132
176
100 -000 -000
64

50. If you raise a negative number to an odd power - what happens to the number?
9
It gets smaller
64
128