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. Adding or subtracting fractions with different denominators
4
343
114
Multiply both fractions to get a common denominator add or subtract as usual

2. =12*20
Subtract the smallest number from the greatest number
33
240
66

3. 512^(1/3)
72
28
6
8

4. Basic probability formula?
Number of outcomes you want/total number of possible outcomes
340
68
7

5. =2^1
95
2
165
64

6. How do you find the slope of a line?
160
112
50
Difference in the y-coordinates over the difference in the x coodinates

7. Any number to the first power is?
144
64
Itself
52

8. =7*10
285
289
64
70

9. =6*10
Difference in the y-coordinates over the difference in the x coodinates
1 -000
Arrainge #s from least to greatest and take the middle number or the average of the two middle #s
60

10. =6*18
108
49
90
48

11. =3^4
72
114
81
324

12. Adding or subtracting fractions with the same denominator
15
Add or subtract the numbers on top and keep the same denominator
35
152

13. =20^2
8
3:4:5 -- 5:12:13 -- 7:24:25
400
1

14. =4*17
68
Even
24
Multiply both fractions to get a common denominator add or subtract as usual

15. Does x^2 + x^3 = x^5?
NO
100 -000
198
112

16. =15^2
153
143
225
144

17. =9^3
729
125
260
187

18. =14*14
8
196
13
88

19. =10^4
64
6 -561
Multiply both fractions to get a common denominator add or subtract as usual
10 -000

20. SQRT 81
Pr^2
Arrainge #s from least to greatest and take the middle number or the average of the two middle #s
9
91

21. =9*13
80
117
1.732050808
54

22. =3*9
Invert (reciprocal) the second fraction and multiply
27
56
625

23. even + odd =
48
16
Odd
51

24. =2^3
7
Undefined
7
8

25. =10^6
1 -000 -000
729
5
306

26. =11^2
100 -000
49
121
49

27. Key to percent increase/decrease
Amount of increase/original amount = x/100 (Then cross multiply to find x)
255
182
225

28. =25^2
NO
3
625
10 -000 -000 -000

29. =8*12
If the sum of its can be divided evenly by 3 (216 - is because 2+1+6 is divisible by 3)
7 -776
96
84

30. =14*20
55
280
If the sum of its can be divided evenly by 3 (216 - is because 2+1+6 is divisible by 3)
16

31. =3^3
144
266
27
57

32. =10^10
625
10 -000 -000 -000
84
64

33. =13*20
182
60
260
Line up the decimal points and proceed as usual

34. SQRT 729
272
126
27
220

35. Any number to the negative power (y) is equal to?
270
3
The reciprocal of the same number to the positive power (y). (eg 3^-2 = 1/(3^2) = 1/9)
Subtract the smallest number from the greatest number

36. =12*12
1.414213562
It gets smaller
78
144

37. =2^10
Base * Height
1 -024
90
91

38. =12*19
Pr^2
3
228
4

39. When is a number divisible by 6?
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)
15
Line up the decimal points and proceed as usual
121

40. SQRT 2
625
NO
9
1.414213562

41. =5*20
100
285
Line up the decimal points and proceed as usual
39

42. 729^(1/3)
9
49
Line up the decimal points and proceed as usual
20

43. =3*15
18
45
64
108

44. Probability that A or B will happen?
221
A+B (Add both probabilities)
121
1 -000

45. =10^9
81
(x-y)^2
Even
1 -000 -000 -000

46. Circumference of a circle?
2pr
Won't = 1 - Will
77
240

47. =3^2
60
Multiply the numerators and put the product over the product of the denominators
9
144

48. SQRT 400
20
55
126
25

49. =4*6
270
24
7
3 -125

50. =3*20
96
60
NO
51