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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. =5^4
625
28
45
306
2. =16*19
Start with the number of permutations - that is the numerator(top). The Denominator is the number of combinations (eg 432*1)
51
304
108
3. =6*11
224
66
64
35
4. Combinations: single source - order doesn't matter
96
153
Start with the number of permutations - that is the numerator(top). The Denominator is the number of combinations (eg 432*1)
80
5. =12*16
Number of outcomes you want/total number of possible outcomes
(x-y)^2
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)
192
6. =11*20
126
220
45
90
7. 64^(1/3)
4
If the sum of its can be divided evenly by 3 (216 - is because 2+1+6 is divisible by 3)
85
285
8. =5*11
136
32
55
3:4:5 -- 5:12:13 -- 7:24:25
9. =3^2
Number of outcomes you want/total number of possible outcomes
36
90
9
10. =4^3
48
64
266
208
11. =3*20
343
625
60
13
12. =5*13
9
65
NO
Pr^2
13. =9*19
10 -000 -000
91
171
625
14. SQRT 400
20
56
4 -096
66
15. =9^5
25
59 -049
168
60
16. =4^3
70
98
81
64
17. =9^3
36
Invert (reciprocal) the second fraction and multiply
729
NO
18. =11*12
60
88
132
Multiply the # of choices for each of the spots--but the number of choices keeps getting smaller
19. =4*5
117
25
1 -000 -000
20
20. SQRT 1 -000 -000
400
60
1 -000
Multiply the # of choices for each of the spots--but the number of choices keeps getting smaller - stop when all the places are taken
21. =5^2
9
260
27
25
22. =2^8
27
54
Undefined
256
23. =6*8
48
Number of outcomes you want/total number of possible outcomes
Multiply the exponents (4^3)^2 = 4^(3*2) = 4^6
64
24. =5^5
5
216
3 -125
35
25. =13*18
Undefined
216
Even
234
26. SQRT 169
0 (any fraction with 0 on top is 0)
Multiply the numerators and put the product over the product of the denominators
57
13
27. =7*8
Pick the # that occurs most frequently
2
64
56
28. =3*10
112
240
30
108
29. Dividing Decimals
45
Move the decimal to the right on both numbers until there is nothing to the right of the decimal
18
117
30. =5*6
4
55
30
285
31. =3*4
Even
12
121
243
32. =4*20
32
80
340
1 -296
33. =4*17
160
25
68
54
34. =8*10
80
228
165
100
35. =9*10
90
400
49
100 -000
36. =18*20
10
NO
360
20
37. SQRT 9
12
39
3
68
38. Area of a triangle?
(b*h)/2
10
Permutations ask for 'arraingements' Combinations ask for 'Groups'
154
39. =4*9
98
16
36
512
40. =18*19
625
117
144
342
41. =5*16
243
60
13
80
42. =11*19
1
Move the decimal to the right on both numbers until there is nothing to the right of the decimal
64
209
43. =5^3
Subtract the bottom exponents from the top exponents (3^6 / 3^2 = 3^4)
It gets smaller
125
77
44. =7^4
198
180
10
2 -401
45. SQRT 100
54
20
144
10
46. =14*20
20
120
98
280
47. =9*18
80
260
162
60
48. =8*12
6
9
56
96
49. =6^6
Multiply the # of choices for each of the spots
46 -656
32
9
50. =2^4
5
260
112
16