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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. =4*13
72
45
78
52

2. =5^5
360
3
3 -125
99

3. SQRT 1 -024
32
36
56
27

4. =14*14
75
99
343
196

5. =4*6
Even
24
25
343

6. even + even =
Even
If the number formed by it's last 2 digits is divisible by 4 (3 -028 is because 28 is divisible by 4)
100
Will = 1 - Won't

7. =9*17
63
59 -049
36
153

8. =8^3
512
0 (any fraction with 0 on top is 0)
2 -401
25

9. =5^2
8
25
Pick the # that occurs most frequently
(x-y)^2

10. Adding or subtracting fractions with different denominators
171
NO
224
Multiply both fractions to get a common denominator add or subtract as usual

11. =5*18
90
180
10 -000 -000 -000
2

12. =9*14
It becomes positive
126
152
Itself

13. =10^4
10 -000
(x-y)^2
Even
729

14. =6*10
0 (any fraction with 0 on top is 0)
13
729
60

15. Right Isosceles triangle (lengths)?
25
625
90
Side - Side - Side^2

16. =7*8
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
1 -000 -000
56
240

17. If you raise a positive fraction that is less than 1 to a power - what happens to the fraction?
1 -024
It gets smaller
A+B (Add both probabilities)
98

18. =9*20
8
70
16
180

19. =11*13
9
6
210
143

20. SQRT 64
60
Multiply the # of choices for each of the spots--but the number of choices keeps getting smaller - stop when all the places are taken
125
8

21. =4*4
Pick the # that occurs most frequently
16
13
143

22. =5^3
72
4
125
28

23. =3*10
1.414213562
180
165
30

24. even + odd =
96
128
60
Odd

25. Permutations: single source - order matters
Multiply the # of choices for each of the spots--but the number of choices keeps getting smaller
40
6
45

26. SQRT 100
60
10
1
9

27. If you raise a negative number to an even power - what happens to the number?
80
306
88
It becomes positive

28. =8*14
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)
210
44
112

29. =6^4
40
1 -296
4 -096
216

30. =13*16
18
Odd
100 -000 -000
208

31. =7*18
272
343
126
49

32. When is a number divisible by 3?
729
72
Base * Height
If the sum of its can be divided evenly by 3 (216 - is because 2+1+6 is divisible by 3)

33. Distance Formula?
Rate * Time = Distance (Hint: Draw a chart)
7
8
117

34. =3^1
(x-y)^2
360
16
3

35. =2^3
9
If the number formed by it's last 2 digits is divisible by 4 (3 -028 is because 28 is divisible by 4)
84
8

36. When is a number divisible by 4?

37. =13*18
Rate * Time = Distance (Hint: Draw a chart)
234
Itself
152

38. =8*12
243
96
304
NO

39. =7*20
Multiply the # of choices for each of the spots
120
255
140

40. =2^8
13
70
Even
256

41. =10^9
76
1 -000 -000 -000
288
6

42. Does x^6 - x^2 = x^4?
154
9
1 -296
NO

43. =10^8
100 -000 -000
324
Itself
280

44. Factor x^2-2xy+y^2
729
48
(x-y)^2
72

45. =5*19
Pick the # that occurs most frequently
48
95
225

46. =9*11
210
99
One (1)
35

47. Multiplying Fractions
300
Multiply the numerators and put the product over the product of the denominators
7
81

48. =13*20
Subtract the smallest number from the greatest number
260
7
95

49. SQRT 1 -296
1 -000 -000
343
135
36

50. SQRT 2
64
1.414213562
121
5