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. How do you find the mode of a set of numbers?
Pick the # that occurs most frequently
3 -125
25
49

2. When is a number divisible by 6?
51
If the number formed by it's last 2 digits is divisible by 4 (3 -028 is because 28 is divisible by 4)
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)
40

3. =6*18
108
125
72
Subtract the smallest number from the greatest number

4. =9*15
27
135
Odd
2pr

5. =3*18
104
221
Even
54

6. =5^2
1 -024
27
25
180

7. =17*18
63
Subtract the bottom exponents from the top exponents (3^6 / 3^2 = 3^4)
306
96

8. =3*8
2
24
343
Even

9. =2^3
8
13
20
120

10. =8^2
64
Odd
Even
119

11. Exponents - Dividing numbers with same base
Subtract the bottom exponents from the top exponents (3^6 / 3^2 = 3^4)
152
NO
204

12. =6*19
7
114
120
16

13. =11*18
x:x^(1/3):2x
198
(x-y)^2
30

14. SQRT 2
176
8
1.414213562
160

15. =5^4
36
It gets smaller
625
It becomes positive

16. =16*16
256
1 -000
2
1.414213562

17. =18*18
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)
243
If the sum of its can be divided evenly by 3 (216 - is because 2+1+6 is divisible by 3)

18. =8*12
216
Add their exponents (6^2 *6^3 = 6^5)
44
96

19. =6^4
2pr
1 -296
266
112

20. =3*13
165
729
39
104

21. Any number to the negative power (y) is equal to?
512
144
20
The reciprocal of the same number to the positive power (y). (eg 3^-2 = 1/(3^2) = 1/9)

22. SQRT 729
27
Pr^2
Even
It gets smaller

23. even + even =
Even
64
90
180

24. =3*19
2
51
33
57

25. SQRT 64
154
360
7
8

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

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

27. =4*10
40
3:4:5 -- 5:12:13 -- 7:24:25
The direction of the inequality symbol changes
Subtract the smallest number from the greatest number

28. =6*14
266
5
84
323

29. =6*12
72
121
256
729

30. =8*17
65
24
16
136

31. SQRT 169
13
266
112
2

32. =16*17
15
81
27
272

33. SQRT 36
(b*h)/2
6
133
One (1)

34. =7^4
77
2 -401
15
81

35. =6*7
5
Side - Side - Side^2
25
42

36. 4/0 =
45
625
Undefined
Difference in the y-coordinates over the difference in the x coodinates

37. =11*15
81
165
240
729

38. =9^2
32
225
132
81

39. =2^3
64
8
36
45

40. =12*20
204
240
108
Won't = 1 - Will

41. SQRT 2 -401
49
10
216
60

42. =20*20
1 -024
16
90
400

43. =5*10
221
If the sum of its can be divided evenly by 3 (216 - is because 2+1+6 is divisible by 3)
Multiply the # of choices for each of the spots--but the number of choices keeps getting smaller
50

44. =5*5
Will = 1 - Won't
Pr^2
25
256

45. =2^10
68
1 -024
Even
96

46. =15*17
255
10 -000 -000
15
16

47. Equation for a line?
Invert (reciprocal) the second fraction and multiply
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
A*B (Multiply both probabilities)
70

48. =9^5
If the number formed by it's last 2 digits is divisible by 4 (3 -028 is because 28 is divisible by 4)
59 -049
10
40

49. 125^(1/3)
1 -024
PEMDAS (parenthesis - Exponents - Multiplication - Division - Addition - Subtraction)
5
Arrainge #s from least to greatest and take the middle number or the average of the two middle #s

50. =13*13
Arrainge #s from least to greatest and take the middle number or the average of the two middle #s
If the sum of its can be divided evenly by 3 (216 - is because 2+1+6 is divisible by 3)
169
Subtract the smallest number from the greatest number