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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. Right Isosceles triangle (lengths)?
238
195
57
Side - Side - Side^2

2. =12*19
156
3
187
228

3. SQRT 1 -000 -000
1 -000
100
340
729

4. even + even =
125
30
625
Even

5. =19*19
1 -000 -000
512
361
204

6. =1^3
81
81
1
35

7. 8^(1/3)
42
238
48
2

8. =10^5
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)
100 -000
84
208

9. =4*8
9
625
729
32

10. Dividing Decimals
2
119
Move the decimal to the right on both numbers until there is nothing to the right of the decimal
4

11. =13*16
54
42
0 (any fraction with 0 on top is 0)
208

12. =7^2
49
260
51
180

13. =2^6
42
160
10 -000
64

14. =6*10
512
60
Move the decimal to the right on both numbers until there is nothing to the right of the decimal
5^(1/3)

15. =8*14
112
380
119
255

16. SQRT 49
Multiply both fractions to get a common denominator add or subtract as usual
7
(b*h)/2
135

17. Distance Formula?
Multiply the # of choices for each of the spots
If the sum of its can be divided evenly by 3 (216 - is because 2+1+6 is divisible by 3)
2
Rate * Time = Distance (Hint: Draw a chart)

18. =9*11
Multiply both fractions to get a common denominator add or subtract as usual
9
99
45

19. =5*8
54
40
91
27

20. When is a number divisible by 3?
If the sum of its can be divided evenly by 3 (216 - is because 2+1+6 is divisible by 3)
133
208
Add their exponents (6^2 *6^3 = 6^5)

21. =9*19
100 -000 -000
49
171
112

22. =3^3
10
Difference in the y-coordinates over the difference in the x coodinates
27
10 -000

23. 30:60:90 Right Triangle (Lenghts)
25
It gets smaller
39
x:x^(1/3):2x

24. =10^1
70
120
90
10

25. =16*16
5
208
256
If the sum of its can be divided evenly by 3 (216 - is because 2+1+6 is divisible by 3)

26. SQRT 4 -096
64
60
3
260

27. =6*20
96
1 -000 -000 -000
A*B (Multiply both probabilities)
120

28. =6*19
114
156
323
216

29. =6*8
128
Even
48
Combinations don't care about the order of the problems

30. 512^(1/3)
64
8
153
340

31. =2^2
187
Line up the decimal points and proceed as usual
4
3

32. =19*20
288
49
1 -000
380

33. =2^3
512
8
162
72

34. =10^4
168
10 -000
512
Permutations ask for 'arraingements' Combinations ask for 'Groups'

35. =11*19
7
209
20
192

36. =6*18
256
306
It gets smaller
108

37. =7^3
Won't = 1 - Will
343
512
Line up the decimal points and proceed as usual

38. =5*14
2
70
49
45

39. =15^2
36
Difference in the y-coordinates over the difference in the x coodinates
225
If the sum of its can be divided evenly by 3 (216 - is because 2+1+6 is divisible by 3)

40. Problem that asks you to choose a # of items to fill specific spots - when each spot is filled from a different source?
Multiply the # of choices for each of the spots
Number of outcomes you want/total number of possible outcomes
A+B (Add both probabilities)
60

41. 4/0 =
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)
Multiply the # of choices for each of the spots--but the number of choices keeps getting smaller
Undefined
81

42. =3*10
135
1 -024
30
9

43. When is a number divisible by 6?
8
Will = 1 - Won't
324
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)

44. =7*18
81
78
126
192

45. =12*15
Pick the # that occurs most frequently
10
54
180

46. If you raise a positive fraction that is less than 1 to a power - what happens to the fraction?
104
40
2 -401
It gets smaller

47. =16*19
100
168
25
304

48. =7*7
49
32
162
10 -000

49. =9*16
Odd
221
144
380

50. SQRT 4
Rate * Time = Distance (Hint: Draw a chart)
512
400
2