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. =12*20
54
7 -776
240
20

2. 30:60:90 Right Triangle (Lenghts)
x:x^(1/3):2x
266
NO
15

3. =5*16
39
54
80
10 -000 -000

4. =3*5
1 -024
220
15
306

5. =4*6
256
24
72
5^(1/3)

6. =13*14
182
144
30
198

7. =14*19
Multiply the # of choices for each of the spots--but the number of choices keeps getting smaller - stop when all the places are taken
266
8
6

8. =15*15
7
Add or subtract the numbers on top and keep the same denominator
Rate * Time = Distance (Hint: Draw a chart)
225

9. =3*9
45
216
182
27

10. =8*8
162
64
42
8

11. =9*16
144
204
81
270

12. =4*14
56
4
76
The direction of the inequality symbol changes

13. =17*17
192
160
36
289

14. SQRT 729
27
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)
234
1 -000

15. SQRT 400
84
176
20
2

16. =4*5
NO
156
20
252

17. =19*19
6
625
361
256

18. =3*10
42
323
30
112

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

20. If you raise a negative number to an odd power - what happens to the number?
228
It gets smaller
247
3

21. =10^4
64
10 -000
247
168

22. =2^8
(b*h)/2
256
Amount of increase/original amount = x/100 (Then cross multiply to find x)
84

23. =7*15
32
90
160
105

24. How do you find the slope of a line?
45
Difference in the y-coordinates over the difference in the x coodinates
143
9

25. =3*18
54
120
85
5

26. =17*20
140
54
64
340

27. =9*15
1 -296
72
135
12

28. =10^10
10 -000 -000 -000
NO
72
361

29. Factor x^2-2xy+y^2
243
(x-y)^2
225
99

30. =6^3
(b*h)/2
1 -000
60
216

31. Basic probability formula?
45
Multiply the numerators and put the product over the product of the denominators
380
Number of outcomes you want/total number of possible outcomes

32. =4*12
Multiply both fractions to get a common denominator add or subtract as usual
343
48
360

33. =6*20
Pr^2
729
120
A+B (Add both probabilities)

34. Distance Formula?
Even
Rate * Time = Distance (Hint: Draw a chart)
81
126

35. =10^9
44
1 -000 -000 -000
512
6

36. SQRT 36
6
144
56
512

37. =3^3
195
27
120
8

38. =5*13
88
95
65
225

39. =11*16
176
15
25
PEMDAS (parenthesis - Exponents - Multiplication - Division - Addition - Subtraction)

40. =8*12
Multiply the numerators and put the product over the product of the denominators
96
285
46 -656

41. 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)
95
63
256

42. =9^2
85
56
285
81

43. What happens if you multiply or divide both sides of an inequality by a negative number?
Line up the decimal points and proceed as usual
The direction of the inequality symbol changes
64
512

44. =8*14
400
187
112
238

45. =3^5
15
243
6 -561
49

46. Order of operations
3
PEMDAS (parenthesis - Exponents - Multiplication - Division - Addition - Subtraction)
2
114

47. Area of a triangle?
(b*h)/2
If the number formed by it's last 2 digits is divisible by 4 (3 -028 is because 28 is divisible by 4)
68
32

48. =13*20
10 -000
135
260
The direction of the inequality symbol changes

49. SQRT 25
104
59 -049
42
5

50. =9*14
126
48
7
143