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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. =10^2
360
100
176
100 -000

2. =8*17
117
1.732050808
136
Line up the decimal points and proceed as usual

3. =11*11
NO
0 (any fraction with 0 on top is 0)
121
240

4. =8^1
Subtract the bottom exponents from the top exponents (3^6 / 3^2 = 3^4)
8
204
100 -000 -000

5. SQRT 2 -401
Side - Side - Side^2
80
x:x^(1/3):2x
49

6. =7*11
100
100 -000
77
2

7. =6^2
196
7
PEMDAS (parenthesis - Exponents - Multiplication - Division - Addition - Subtraction)
36

8. =12*20
80
If the number formed by it's last 2 digits is divisible by 4 (3 -028 is because 28 is divisible by 4)
240
153

9. =20*20
156
400
Start with the number of permutations - that is the numerator(top). The Denominator is the number of combinations (eg 432*1)
512

10. =16*17
272
52
729
247

11. =14*14
361
27
196
9

12. Dividing Decimals
3 -125
Move the decimal to the right on both numbers until there is nothing to the right of the decimal
80
4 -096

13. 0/1 =
100 -000
72
3 -125
0 (any fraction with 0 on top is 0)

14. =8^3
68
512
323
30

15. =6^5
x:x^(1/3):2x
90
7 -776
10

16. =18*18
625
324
Difference in the y-coordinates over the difference in the x coodinates
256

17. Right Isosceles triangle (lengths)?
343
Side - Side - Side^2
238
27

18. =4*13
81
45
52
60

19. What is the difference between a permutation or a combination?

20. =16*19
36
120
304
35

21. =11*12
162
132
6
2

22. =5*20
Multiply the numerators and put the product over the product of the denominators
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
100
4 -096

23. =4*8
Rate * Time = Distance (Hint: Draw a chart)
36
133
32

24. =3^3
2
512
27
60

25. SQRT 1 -296
112
9
36
144

26. Exponents - Dividing numbers with same base
90
91
Subtract the bottom exponents from the top exponents (3^6 / 3^2 = 3^4)
36

27. =7*16
112
8
342
165

28. =7*8
2
52
240
56

29. =4^1
The direction of the inequality symbol changes
44
6
4

30. 125^(1/3)
5
160
64
Subtract the smallest number from the greatest number

31. 216^(1/3)
45
(x-y)^2
30
6

32. =7*15
128
64
Invert (reciprocal) the second fraction and multiply
105

33. =2^8
64
140
256
72

34. even x odd =
234
144
156
Even

35. =8*19
90
152
2
120

36. Adding or subtracting fractions with the same denominator
57
68
Add or subtract the numbers on top and keep the same denominator
Pr^2

37. =7^2
Add their exponents (6^2 *6^3 = 6^5)
49
66
114

38. =9*12
108
The direction of the inequality symbol changes
100
81

39. =6*8
46 -656
48
304
54

40. =2^1
108
Invert (reciprocal) the second fraction and multiply
2
342

41. SQRT 49
NO
108
7
288

42. =5^4
Pick the # that occurs most frequently
152
Odd
625

43. Probability that A and B will both happen?
44
196
A*B (Multiply both probabilities)
153

44. =4*4
108
16
225
50

45. =7*17
10
119
342
Undefined

46. 64^(1/3)
Even
1 -024
4
196

47. Another way to write cube root 5
Won't = 1 - Will
3:4:5 -- 5:12:13 -- 7:24:25
5^(1/3)
300

48. =6^3
10 -000
216
20
33

49. =3^4
81
44
Even
6

50. =12*16
192
144
27
Won't = 1 - Will