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. =4^4
10
39
NO
256

2. =5^5
56
3 -125
240
Combinations don't care about the order of the problems

3. =3^2
4
9
70
6 -561

4. =5*8
78
5
70
40

5. =14*19
49
266
42
1

6. SQRT 3
56
1.732050808
Number of outcomes you want/total number of possible outcomes
It becomes positive

7. =5^3
46 -656
20
Multiply the # of choices for each of the spots--but the number of choices keeps getting smaller
125

8. Any number to the negative power (y) is equal to?
32
4
255
The reciprocal of the same number to the positive power (y). (eg 3^-2 = 1/(3^2) = 1/9)

9. Another way to write cube root 5
100 -000 -000
360
72
5^(1/3)

10. =9*13
49
117
(b*h)/2
90

11. =3*5
204
225
15
117

12. =13*20
260
204
729
9

13. =3*12
196
0 (any fraction with 0 on top is 0)
108
36

14. =2^1
400
2
198
125

15. =3*10
49
56
30
Even

16. how do you find the range of a set of numbers?
Pr^2
Subtract the smallest number from the greatest number
6
45

17. =19*20
380
It gets smaller
If the number formed by it's last 2 digits is divisible by 4 (3 -028 is because 28 is divisible by 4)
340

18. =6*12
266
3
72
57

19. =7^1
x:x^(1/3):2x
12
7
36

20. Distance Formula?
Rate * Time = Distance (Hint: Draw a chart)
Even
It gets smaller
154

21. Area of a triangle?
8
50
(b*h)/2
140

22. =11*20
234
196
153
220

23. =12*17
3
A+B (Add both probabilities)
204
143

24. =15*16
30
240
If the sum of its can be divided evenly by 3 (216 - is because 2+1+6 is divisible by 3)
216

25. =6^2
209
25
36
7

26. =16*18
36
81
288
4

27. If you raise a positive fraction that is less than 1 to a power - what happens to the fraction?
77
78
It gets smaller
9

28. =5*14
70
60
5
Add their exponents (6^2 *6^3 = 6^5)

29. =4^3
64
4 -096
10 -000 -000
52

30. What happens if you multiply or divide both sides of an inequality by a negative number?
The direction of the inequality symbol changes
24
272
Even

31. =9*15
Multiply the numerators and put the product over the product of the denominators
512
60
135

32. If you raise a negative number to an even power - what happens to the number?
16
x:x^(1/3):2x
25
It becomes positive

33. =10^3
Odd
77
32
1 -000

34. =3*8
24
Even
2
228

35. =6*10
126
60
If the number formed by it's last 2 digits is divisible by 4 (3 -028 is because 28 is divisible by 4)
100 -000 -000

36. =6*7
152
64
15
42

37. =8*11
88
Even
32
1 -024

38. =7^3
182
343
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
272

39. =7*17
1 -296
65
Side - Side - Side^2
119

40. SQRT 4
2
169
255
78

41. =11^2
9
260
121
117

42. Adding or subtracting fractions with different denominators
192
Multiply both fractions to get a common denominator add or subtract as usual
51
3

43. =7*14
98
Subtract the smallest number from the greatest number
1.732050808
81

44. =13*16
85
182
208
The direction of the inequality symbol changes

45. =8*12
64
96
304
25

46. =6*19
240
42
Undefined
114

47. =10^9
Even
1 -000 -000 -000
The reciprocal of the same number to the positive power (y). (eg 3^-2 = 1/(3^2) = 1/9)
70

48. =2^8
256
16
121
36

49. SQRT 225
15
45
270
360

50. =5^1
PEMDAS (parenthesis - Exponents - Multiplication - Division - Addition - Subtraction)
162
5
6