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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. =12*15
Will = 1 - Won't
180
208
x:x^(1/3):2x
2. =7*18
64
143
196
126
3. When is a number divisible by 3?
If the sum of its can be divided evenly by 3 (216 - is because 2+1+6 is divisible by 3)
72
42
126
4. =15*20
48
168
300
192
5. Adding and Subtracting Decimals
120
104
Line up the decimal points and proceed as usual
1
6. SQRT 4 -096
40
64
4
216
7. Permutations: single source - order matters
171
60
400
Multiply the # of choices for each of the spots--but the number of choices keeps getting smaller
8. =4^6
625
4 -096
25
729
9. =12*18
PEMDAS (parenthesis - Exponents - Multiplication - Division - Addition - Subtraction)
27
216
100 -000 -000
10. SQRT 1 -024
32
108
10 -000
8
11. =11*13
16
162
256
143
12. Permutations: single source - order matters BUT only for a selection
Multiply the # of choices for each of the spots--but the number of choices keeps getting smaller - stop when all the places are taken
260
306
105
13. =5^3
72
9
Even
125
14. =8^1
400
288
8
Number of outcomes you want/total number of possible outcomes
15. =4*8
209
32
64
Undefined
16. Area of a triangle?
16
49
5^(1/3)
(b*h)/2
17. Any number to the negative power (y) is equal to?
48
The reciprocal of the same number to the positive power (y). (eg 3^-2 = 1/(3^2) = 1/9)
342
24
18. =3*19
PEMDAS (parenthesis - Exponents - Multiplication - Division - Addition - Subtraction)
57
10 -000 -000 -000
Won't = 1 - Will
19. =5*6
81
30
80
289
20. SQRT 100 -000 -000
10 -000
153
Pick the # that occurs most frequently
81
21. =5^3
125
PEMDAS (parenthesis - Exponents - Multiplication - Division - Addition - Subtraction)
256
198
22. How do you find the median of a set of numbers?
1
Side - Side - Side^2
Add their exponents (6^2 *6^3 = 6^5)
Arrainge #s from least to greatest and take the middle number or the average of the two middle #s
23. =11*17
55
45
187
15
24. =7*20
216
240
40
140
25. 343^(1/3)
729
Side - Side - Side^2
63
7
26. =3*4
Subtract the smallest number from the greatest number
198
225
12
27. =7*8
11
56
272
400
28. =6*16
Move the decimal to the right on both numbers until there is nothing to the right of the decimal
45
96
400
29. =7*14
100 -000
98
51
Even
30. =5*16
160
256
80
49
31. =4*4
400
143
90
16
32. Combinations: single source - order doesn't matter
72
125
36
Start with the number of permutations - that is the numerator(top). The Denominator is the number of combinations (eg 432*1)
33. SQRT 6 -561
81
60
96
266
34. =7^4
4
108
Add their exponents (6^2 *6^3 = 6^5)
2 -401
35. =5*10
50
Subtract the smallest number from the greatest number
54
7 -776
36. =6*8
144
152
5
48
37. =5^4
NO
64
72
625
38. =20^2
64
400
25
256
39. SQRT 4
0 (any fraction with 0 on top is 0)
2
160
121
40. =16*17
289
152
272
342
41. SQRT 3
1.732050808
156
Multiply the # of choices for each of the spots--but the number of choices keeps getting smaller - stop when all the places are taken
Even
42. =5*19
120
2
196
95
43. =8*15
114
102
Multiply the numerators and put the product over the product of the denominators
120
44. =5^1
260
5
49
323
45. =9^4
162
154
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
6 -561
46. =3^2
64
16
96
9
47. =11*12
132
209
Difference in the y-coordinates over the difference in the x coodinates
Invert (reciprocal) the second fraction and multiply
48. If you raise a negative number to an odd power - what happens to the number?
76
128
72
It gets smaller
49. =10^9
3:4:5 -- 5:12:13 -- 7:24:25
It gets smaller
1 -000 -000 -000
32
50. =18*20
10 -000
36
125
360