Test your basic knowledge |

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
52
209
112
70

2. =14*15
64
210
60
112

3. Right Isosceles triangle (lengths)?
Side - Side - Side^2
PEMDAS (parenthesis - Exponents - Multiplication - Division - Addition - Subtraction)
4
323

4. Exponents - Multiplying numbers with same base
Add their exponents (6^2 *6^3 = 6^5)
16
70
10

5. =3*8
24
208
80
225

6. =9*11
99
75
33
234

7. =3*10
30
81
80
13

8. =11*16
63
2
7
176

9. Does x^2 + x^3 = x^5?
NO
Difference in the y-coordinates over the difference in the x coodinates
143
98

10. =25^2
625
126
78
117

11. =6^5
10 -000
64
252
7 -776

12. =9*10
Permutations ask for 'arraingements' Combinations ask for 'Groups'
225
90
91

13. Adding or subtracting fractions with different denominators
Multiply both fractions to get a common denominator add or subtract as usual
289
27
180

14. =14*14
196
72
The reciprocal of the same number to the positive power (y). (eg 3^-2 = 1/(3^2) = 1/9)
49

15. =5*16
10
80
1.732050808
Line up the decimal points and proceed as usual

16. =9^3
24
729
One (1)
81

17. =11*12
4
48
132
182

18. =4*14
56
Even
160
64

19. =6*18
Will = 1 - Won't
108
104
7 -776

20. 0/1 =
135
512
0 (any fraction with 0 on top is 0)
340

21. =9*9
56
Side - Side - Side^2
Combinations don't care about the order of the problems
81

22. Permutations: single source - order matters
30
42
Multiply the # of choices for each of the spots--but the number of choices keeps getting smaller
100 -000

23. SQRT 9
49
32
3
(x-y)^2

24. =6*6
512
36
729
24

25. =4^3
64
51
25
125

26. =9^4
95
6 -561
50
If the number formed by it's last 2 digits is divisible by 4 (3 -028 is because 28 is divisible by 4)

27. =9*14
Permutations ask for 'arraingements' Combinations ask for 'Groups'
126
6 -561
(b*h)/2

28. =3*4
12
8
51
Pick the # that occurs most frequently

29. =7*20
208
140
15
52

30. =8*10
36
221
154
80

31. =6*9
6
4
54
195

32. When is a number divisible by 4?

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183

33. =12*17
49
225
Amount of increase/original amount = x/100 (Then cross multiply to find x)
204

34. Any number to the first power is?
Itself
27
28
280

35. =10^5
102
0 (any fraction with 0 on top is 0)
100 -000
266

36. =13*15
180
195
216
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)

37. Dividing Fractions
42
192
Invert (reciprocal) the second fraction and multiply
If the sum of its can be divided evenly by 3 (216 - is because 2+1+6 is divisible by 3)

38. =4*9
324
36
A*B (Multiply both probabilities)
Rate * Time = Distance (Hint: Draw a chart)

39. Odds that something doesn't happen?

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183

40. 64^(1/3)
90
4
65
120

41. When is a number divisible by 6?
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)
136
135
168

42. Odds that at least one thing will happen?

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183

43. Combinations: single source - order doesn't matter
Pick the # that occurs most frequently
Start with the number of permutations - that is the numerator(top). The Denominator is the number of combinations (eg 432*1)
1.732050808
36

44. SQRT 256
16
54
133
The direction of the inequality symbol changes

45. =7^2
One (1)
49
272
216

46. =7^3
Multiply the # of choices for each of the spots--but the number of choices keeps getting smaller - stop when all the places are taken
512
36
343

47. Area of a triangle?
270
(b*h)/2
95
44

48. =3*12
36
256
100 -000
4

49. SQRT 625
2
25
30
208

50. =7*8
32
224
56
76