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Test your basic knowledge |
GMAT Math Memorization
Start Test
Study First
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. =5^1
128
5
3:4:5 -- 5:12:13 -- 7:24:25
162
2. SQRT 100
3
10
729
25
3. =6^3
75
216
60
20
4. =18*19
204
255
342
247
5. =7^3
6
100 -000
343
Pr^2
6. =7*14
NO
10 -000 -000
78
98
7. =12*12
56
48
144
180
8. If you raise a positive fraction that is less than 1 to a power - what happens to the fraction?
It gets smaller
49
The direction of the inequality symbol changes
64
9. =9^5
54
59 -049
Pick the # that occurs most frequently
A+B (Add both probabilities)
10. SQRT 3
27
7
20
1.732050808
11. =9*9
81
32
10 -000
40
12. SQRT 1 -296
45
36
One (1)
187
13. =9*15
32
144
270
135
14. SQRT 100 -000 -000
100 -000 -000
Multiply both fractions to get a common denominator add or subtract as usual
304
10 -000
15. =6*6
60
1 -000 -000 -000
56
36
16. How do you find the slope of a line?
Subtract the bottom exponents from the top exponents (3^6 / 3^2 = 3^4)
Difference in the y-coordinates over the difference in the x coodinates
126
42
17. =3*17
Multiply the # of choices for each of the spots--but the number of choices keeps getting smaller - stop when all the places are taken
27
56
51
18. =9*14
168
126
0 (any fraction with 0 on top is 0)
266
19. =13*17
60
153
64
221
20. =10^10
10 -000 -000 -000
7 -776
192
121
21. =5*7
30
16
Permutations ask for 'arraingements' Combinations ask for 'Groups'
35
22. SQRT 1 -024
1.732050808
512
36
32
23. =4*13
Add their exponents (6^2 *6^3 = 6^5)
52
119
343
24. =15*20
238
64
300
60
25. 729^(1/3)
64
9
68
4
26. =5*13
221
65
10 -000 -000 -000
Undefined
27. =8*20
105
187
160
12
28. If you raise a negative number to an odd power - what happens to the number?
30
36
85
It gets smaller
29. =6*20
9
51
120
64
30. =2^8
9
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)
A+B (Add both probabilities)
256
31. How do you find the mode of a set of numbers?
Pick the # that occurs most frequently
49
125
1 -000 -000 -000
32. =10^4
187
240
NO
10 -000
33. =10^2
Odd
Even
45
100
34. =16*16
256
One (1)
16
224
35. Exponents - Multiplying numbers with same base
108
304
Add their exponents (6^2 *6^3 = 6^5)
4
36. =9*20
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)
180
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
10
37. =3*6
Add their exponents (6^2 *6^3 = 6^5)
209
18
81
38. =4*18
72
24
It becomes positive
20
39. =15*15
80
5
3
225
40. =6*7
Base * Height
42
52
99
41. =3*12
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)
36
100
A*B (Multiply both probabilities)
42. =3*5
15
1 -296
180
0 (any fraction with 0 on top is 0)
43. =4^1
4
1 -000 -000
2pr
10 -000 -000 -000
44. =9*11
168
216
99
Arrainge #s from least to greatest and take the middle number or the average of the two middle #s
45. =8*13
156
10 -000 -000 -000
20
104
46. =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)
625
76
47. SQRT 121
52
11
NO
380
48. even + odd =
256
Multiply the numerators and put the product over the product of the denominators
Odd
59 -049
49. =3*10
30
1
90
50
50. =3*13
39
3:4:5 -- 5:12:13 -- 7:24:25
64
105