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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. =17*18
125
306
NO
66

2. =3*15
2pr
64
5
45

3. =25^2
Side - Side - Side^2
If the number formed by it's last 2 digits is divisible by 4 (3 -028 is because 28 is divisible by 4)
11
625

4. =5^2
168
49
25
256

5. =7^3
343
5^(1/3)
3
88

6. =11*20
16
7
180
220

7. =15^2
144
64
15
225

8. =8*17
192
32
136
210

9. =5^3
125
4
27
280

10. SQRT 169
7
117
13
240

11. =19*20
1.732050808
A+B (Add both probabilities)
272
380

12. =10^3
64
224
Permutations ask for 'arraingements' Combinations ask for 'Groups'
1 -000

13. =16*17
272
132
512
5

14. =6^1
6
220
Odd
42

15. =4*8
65
32
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)
171

16. 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
100 -000
10 -000
182

17. =5^4
187
625
126
100 -000

18. =3^2
9
5
Number of outcomes you want/total number of possible outcomes
81

19. =2^9
343
512
729
65

20. =8*12
45
If the number formed by it's last 2 digits is divisible by 4 (3 -028 is because 28 is divisible by 4)
2
96

21. SQRT 225
8
400
15
8

22. =11*14
154
84
234
If the number formed by it's last 2 digits is divisible by 4 (3 -028 is because 28 is divisible by 4)

23. =6^6
46 -656
Rate * Time = Distance (Hint: Draw a chart)
If the sum of its can be divided evenly by 3 (216 - is because 2+1+6 is divisible by 3)
340

24. =12*20
64
1 -024
240
64

25. Right Isosceles triangle (lengths)?
Side - Side - Side^2
323
1
48

26. =3^3
27
4 -096
PEMDAS (parenthesis - Exponents - Multiplication - Division - Addition - Subtraction)
10

27. =14*16
220
224
96
45

28. =12*14
400
168
Combinations don't care about the order of the problems
27

29. =4*7
3:4:5 -- 5:12:13 -- 7:24:25
52
10 -000
28

30. even + odd =
Add or subtract the numbers on top and keep the same denominator
Subtract the bottom exponents from the top exponents (3^6 / 3^2 = 3^4)
Odd
15

31. When is a number divisible by 4?

32. Odds that at least one thing will happen?

33. 512^(1/3)
144
8
128
64

34. Distance Formula?
A+B (Add both probabilities)
Rate * Time = Distance (Hint: Draw a chart)
252
Subtract the smallest number from the greatest number

35. =4*5
243
Won't = 1 - Will
NO
20

36. =10^2
100
125
176
8

37. =3*17
121
80
If the sum of its can be divided evenly by 3 (216 - is because 2+1+6 is divisible by 3)
51

38. =7*11
(x-y)^2
240
77
A*B (Multiply both probabilities)

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

40. =2^4
192
2
16
25

41. 729^(1/3)
11
9
102
100

42. =5^3
Start with the number of permutations - that is the numerator(top). The Denominator is the number of combinations (eg 432*1)
125
324
196

43. 125^(1/3)
The direction of the inequality symbol changes
5
16
Subtract the bottom exponents from the top exponents (3^6 / 3^2 = 3^4)

44. =5*15
32
75
120
256

45. Adding or subtracting fractions with the same denominator
Add or subtract the numbers on top and keep the same denominator
1.732050808
125
33

46. =3*19
0 (any fraction with 0 on top is 0)
57
Add their exponents (6^2 *6^3 = 6^5)
81

47. =13*14
49
60
182
119

48. =9^3
140
18
729
3

49. =2^10
77
65
72
1 -024

50. SQRT 10 -000
27
100
55
221