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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. SQRT 16
304
140
4
28

2. Pythagorean Triples (lengths)?
340
36
3:4:5 -- 5:12:13 -- 7:24:25
0 (any fraction with 0 on top is 0)

3. 8^(1/3)
252
Undefined
180
2

4. =15*19
64
220
285
11

5. 216^(1/3)
51
6
90
60

6. =8^2
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
Odd
64
49

7. Adding or subtracting fractions with different denominators
400
120
306
Multiply both fractions to get a common denominator add or subtract as usual

8. =20*20
20
8
400
60

9. =12*19
9
104
57
228

10. =8*20
4
24
160
If the number formed by it's last 2 digits is divisible by 4 (3 -028 is because 28 is divisible by 4)

11. =3*11
33
208
238
32

12. =3^3
5
27
Even
8

13. =5*6
(x-y)^2
135
36
30

14. =7*15
105
NO
3:4:5 -- 5:12:13 -- 7:24:25
Will = 1 - Won't

15. even + even =
Odd
Even
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)
238

16. 729^(1/3)
9
10
285
128

17. SQRT 2 -401
49
196
9
3

18. =6^6
Arrainge #s from least to greatest and take the middle number or the average of the two middle #s
Will = 1 - Won't
46 -656
121

19. Distance Formula?
1 -000
8
Rate * Time = Distance (Hint: Draw a chart)
32

20. Adding or subtracting fractions with the same denominator
234
39
Add or subtract the numbers on top and keep the same denominator
240

21. =5*9
228
266
45
220

22. =15*16
Subtract the bottom exponents from the top exponents (3^6 / 3^2 = 3^4)
144
240
Side - Side - Side^2

23. =12*14
100 -000
3
48
168

24. =3*8
100 -000
Multiply both fractions to get a common denominator add or subtract as usual
24
81

25. =3^2
209
9
270
11

26. =13*19
3:4:5 -- 5:12:13 -- 7:24:25
247
50
49

27. Permutations: single source - order matters BUT only for a selection
16
Arrainge #s from least to greatest and take the middle number or the average of the two middle #s
3
Multiply the # of choices for each of the spots--but the number of choices keeps getting smaller - stop when all the places are taken

28. =8*11
240
88
39
128

29. =4*8
64
512
44
32

30. =7*16
210
112
A*B (Multiply both probabilities)
Odd

31. =5^1
140
126
11
5

32. SQRT 169
13
7 -776
729
3

33. =3*10
112
Undefined
30
256

34. =17*19
9
512
323
(b*h)/2

35. =15*20
729
300
512
Move the decimal to the right on both numbers until there is nothing to the right of the decimal

36. SQRT 64
8
44
49
380

37. =9*15
270
Odd
135
165

38. =2^2
60
2
4
729

39. even x even =
Even
153
176
216

40. Equation for a line?
Pr^2
49
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
Number of outcomes you want/total number of possible outcomes

41. =7*18
64
126
80
289

42. =7^1
7
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
Even
Multiply the numerators and put the product over the product of the denominators

43. =9^3
168
729
225
60

44. =10^2
168
100
46 -656
If the number formed by it's last 2 digits is divisible by 4 (3 -028 is because 28 is divisible by 4)

45. =14*18
16
108
252
3:4:5 -- 5:12:13 -- 7:24:25

46. =15^2
Difference in the y-coordinates over the difference in the x coodinates
5^(1/3)
Add or subtract the numbers on top and keep the same denominator
225

47. =3*3
729
9
209
72

48. =4*10
288
27
40
90

49. =9*20
512
180
72
165

50. =3*15
Subtract the smallest number from the greatest number
3 -125
280
45