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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. =10^4
24
10 -000
Pr^2
125

2. =4*6
24
9
180
8

3. Another way to write cube root 5
195
54
243
5^(1/3)

4. Any number to the 0 power is?
120
256
7
One (1)

5. Odds that something doesn't happen?
Won't = 1 - Will
1 -024
9
80

6. =5*16
255
80
It gets smaller
9

7. =7*9
70
84
32
63

8. =2^6
156
225
64
323

9. =3*9
64
27
128
380

10. How do you find the median of a set of numbers?
256
33
Arrainge #s from least to greatest and take the middle number or the average of the two middle #s
57

11. Adding or subtracting fractions with the same denominator
40
Add or subtract the numbers on top and keep the same denominator
Will = 1 - Won't
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)

12. =5*12
1.414213562
342
60
5^(1/3)

13. =17*18
266
1 -024
306
280

14. =9*17
153
7 -776
272
4

15. SQRT 121
Pr^2
16
11
216

16. =13*20
252
289
260
1 -024

17. =5*9
45
323
180
Multiply the numerators and put the product over the product of the denominators

18. =2^3
A*B (Multiply both probabilities)
One (1)
52
8

19. When is a number divisible by 6?
225
176
3
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)

20. =12*16
66
323
24
192

21. =4*20
512
625
52
80

22. =7*19
256
80
52
133

23. =15*20
240
9
340
300

24. =8*14
90
112
156
84

25. SQRT 6 -561
300
2 -401
81
9

26. =10^3
252
1 -000
6
64

27. =2^7
6
128
7
If the sum of its can be divided evenly by 3 (216 - is because 2+1+6 is divisible by 3)

28. Combinations: single source - order doesn't matter
24
16
300
Start with the number of permutations - that is the numerator(top). The Denominator is the number of combinations (eg 432*1)

29. Odds that at least one thing will happen?
5
81
65
Will = 1 - Won't

30. 729^(1/3)
153
108
9
266

31. =11*17
9
187
255
165

32. multiplying decimals
52
140
Ignor decimal points and multiply the two numbers - then count the digits to the right of the decimal points in the original numbers and place the decimal so there are the same number of digits to the right of the decimal
Multiply the exponents (4^3)^2 = 4^(3*2) = 4^6

33. =12*19
108
8
288
228

34. SQRT 49
152
76
7
10 -000 -000

35. Does x^2 + x^3 = x^5?
198
Multiply the # of choices for each of the spots
126
NO

36. =11*12
70
If the sum of its can be divided evenly by 3 (216 - is because 2+1+6 is divisible by 3)
104
132

37. =4^6
165
30
4 -096
If the number formed by it's last 2 digits is divisible by 4 (3 -028 is because 28 is divisible by 4)

38. =6*14
27
132
NO
84

39. =7*7
160
Number of outcomes you want/total number of possible outcomes
49
120

40. =10^2
Multiply the # of choices for each of the spots--but the number of choices keeps getting smaller - stop when all the places are taken
100
729
Difference in the y-coordinates over the difference in the x coodinates

41. =3*15
NO
45
512
729

42. Probability that A and B will both happen?
A*B (Multiply both probabilities)
288
70
PEMDAS (parenthesis - Exponents - Multiplication - Division - Addition - Subtraction)

43. =18*19
342
11
247
65

44. 125^(1/3)
If the number formed by it's last 2 digits is divisible by 4 (3 -028 is because 28 is divisible by 4)
5
300
320

45. Area of a triangle?
15
80
NO
(b*h)/2

46. =2^9
210
512
100 -000
It gets smaller

47. =6^1
300
72
6
64

48. =3*10
If the sum of its can be divided evenly by 3 (216 - is because 2+1+6 is divisible by 3)
Difference in the y-coordinates over the difference in the x coodinates
30
52

49. =13*16
208
15
Pick the # that occurs most frequently
95

50. =5*14
42
13
70
Arrainge #s from least to greatest and take the middle number or the average of the two middle #s

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