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Test your basic knowledge |
GRE Math: Quantitative Formulas
Start Test
Study First
Subjects
:
gre
,
math
Instructions:
Answer 45 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. Area of a sector
1-1-sqrroot of 2
C=2pir OR d*pi
2/5
X = Measure of interior angle/Area of Circle 360
2. Find hypotenuse of a right triangle given 2 side lengths
SA= 2( Lw + Lh + w*h)
A=b*h
3/4
Pythagorean Theorem: h^2= (S1)^2 + (S2)^2
3. Arc length
Divide or multiply both sides by a NEGATIVE number
X = Measure of interior angle/Circumference of circle 360
3/4
C=2pir OR d*pi
4. How to recognize a # as a multiple of 4
3/5
Pi(r^2)h
1/3
The last 2 digits are a multiple of 4. (i.e 144. 44 is a multiple of 4 - so 144 must also be a multiple of 4.)
5. Circumference of a Circle
2/3
SA= 4pi(r^3)
Sum of digits is a multiple of 3 and the last digit is even.
C=2pir OR d*pi
6. Area of parallelogram
3/5
C=2pir OR d*pi
A=b*h
A= (1/2)h*(a+b) where a is the length of the bottom base and b is the length of the top base.
7. Convert 80% to a fraction
4/5
2/5
Subtract them. i.e (5^7)/(5^3)= 5^4
1/6
8. When asked to find the distance between 2 points on a graph use this formula...
Distance formula. Distance= Sqrareroot[((Xa-Xb)^2) + ((Ya-Yb)^2)]
Divide or multiply both sides by a NEGATIVE number
5/6
V=(4/3)pi(r^3)
9. Volume of a right circular cylinder
Pi(r^2)h
1-1-sqrroot of 2
D=rt so r= d/t and t=d/r
P= 2L + 2w
10. How to recognize if a # is a multiple of 12
A= (1/2)b*h
A=b*h
D=rt so r= d/t and t=d/r
The sum of the digits it a multiple of 3 and the last two digits is a multiple of 4. (i.e 144: 1+4+4=9 which is a multiple of 3 - and 44 is a multiple of 4 - so 144 is a multiple of 12.)
11. How to recognize a multiple of 6
Sum of digits is a multiple of 3 and the last digit is even.
1/4
X = Measure of interior angle/Area of Circle 360
The sum of the digits is a multiple of 3
12. Quadratic Formula
A=pi*(r^2)
V=(4/3)pi(r^3)
X= -b (+/-) Sqrroot [(b^2) -4ac)]/2a
A=l*w
13. Convert 25% to a fraction
Take the average of the largest and smallest # in the set. (i.e. for the set of consecutive #s 5....172 would be (172+5)/(2)= 88.5)
1/4
Distance formula. Distance= Sqrareroot[((Xa-Xb)^2) + ((Ya-Yb)^2)]
4/5
14. Area of a circle
2 - 3 - 5 - 7 - 11 - 13 - 17 - 19 - 23 - 29
1-1-sqrroot of 2
A=pi*(r^2)
Distance formula. Distance= Sqrareroot[((Xa-Xb)^2) + ((Ya-Yb)^2)]
15. Area of a triangle
The sum of the digits is a multiple of 9.
A= (1/2)b*h
The sum of the digits it a multiple of 3 and the last two digits is a multiple of 4. (i.e 144: 1+4+4=9 which is a multiple of 3 - and 44 is a multiple of 4 - so 144 is a multiple of 12.)
2(pi(r^2))+ 2pirh
16. Side lengths of a 45-45-90 right triangle
1 - 4 - 9 - 16 - 25 - 36 - 49 - 64 - 81 - 100 - 121 - 144 - 169 - 196 - 225
2/5
A= (1/2)h*(a+b) where a is the length of the bottom base and b is the length of the top base.
1-1-sqrroot of 2
17. Perimeter of a rectangle
The sum of the digits is a multiple of 3
P= 2L + 2w
C=2pir OR d*pi
Pythagorean Theorem: h^2= (S1)^2 + (S2)^2
18. Area of a trapezoid
A=pi*(r^2)
A= (1/2)h*(a+b) where a is the length of the bottom base and b is the length of the top base.
P= 2L + 2w
X= -b (+/-) Sqrroot [(b^2) -4ac)]/2a
19. Side lengths of a 30-60-90 right triangle
SA= 2( Lw + Lh + w*h)
1-sqrroot of 3-2
M= (Y1-Y2)/(X1-X2)
1/6
20. Find distance when given time and rate
Sum= (Average of Consecutive #s) * (# of terms in set)
C=2pir OR d*pi
D=rt so r= d/t and t=d/r
4/5
21. How to find the average of consecutive #s
The sum of the digits is a multiple of 9.
Take the average of the largest and smallest # in the set. (i.e. for the set of consecutive #s 5....172 would be (172+5)/(2)= 88.5)
1/3
1-1-sqrroot of 2
22. When solving an inequality - flip the sign when you....
V=(4/3)pi(r^3)
Divide or multiply both sides by a NEGATIVE number
1/8
3/4
23. Slope given 2 points
A= (1/2)h*(a+b) where a is the length of the bottom base and b is the length of the top base.
M= (Y1-Y2)/(X1-X2)
1-sqrroot of 3-2
X = Measure of interior angle/Circumference of circle 360
24. Convert 75% to a fraction
3/4
P= 2L + 2w
Add them. i.e. (5^7) * (5^3) = 5^10
3/5
25. How to recognize a # as a multiple of 9
The sum of the digits is a multiple of 9.
1/5
2/5
Sum of digits is a multiple of 3 and the last digit is even.
26. Surface area of a right circular cylinder
2(pi(r^2))+ 2pirh
The sum of the digits is a multiple of 9.
A= (1/2)b*h
X= -b (+/-) Sqrroot [(b^2) -4ac)]/2a
27. Convert 20% to a fraction
The sum of the digits it a multiple of 3 and the last two digits is a multiple of 4. (i.e 144: 1+4+4=9 which is a multiple of 3 - and 44 is a multiple of 4 - so 144 is a multiple of 12.)
1/5
1/8
5/6
28. Convert 66.66% to a fraction
2/3
1/8
Pi(r^2)h
A=b*h
29. Surface area of a sphere
1/3
SA= 4pi(r^3)
4/5
Divide or multiply both sides by a NEGATIVE number
30. Convert 12.5% to a fraction
2(pi(r^2))+ 2pirh
X = Measure of interior angle/Circumference of circle 360
1/8
M= (Y1-Y2)/(X1-X2)
31. Surface area of a rectangular solid
SA= 2( Lw + Lh + w*h)
3/4
M= (Y1-Y2)/(X1-X2)
V=Lwh
32. How to find the sum of consecutive #s
X = Measure of interior angle/Area of Circle 360
X = Measure of interior angle/Circumference of circle 360
Sum= (Average of Consecutive #s) * (# of terms in set)
SA= 2( Lw + Lh + w*h)
33. When multiplying exponential #s with the same base - you do this to the exponents...
A=l*w
Add them. i.e. (5^7) * (5^3) = 5^10
P= 2L + 2w
V=Lwh
34. Volume of a sphere
1/5
A=pi*(r^2)
V=(4/3)pi(r^3)
A=b*h
35. First 10 prime #s
4/5
2 - 3 - 5 - 7 - 11 - 13 - 17 - 19 - 23 - 29
X = Measure of interior angle/Area of Circle 360
1/4
36. Convert 33.33% to a fraction
1-sqrroot of 3-2
1/3
P= 2L + 2w
X = Measure of interior angle/Circumference of circle 360
37. Convert 83.33% to a fraction
A= (1/2)b*h
A=l*w
SA= 4pi(r^3)
5/6
38. How to recognize a # as a multiple of 3
A= (1/2)h*(a+b) where a is the length of the bottom base and b is the length of the top base.
A=b*h
SA= 2( Lw + Lh + w*h)
The sum of the digits is a multiple of 3
39. Area of a rectangle
The sum of the digits is a multiple of 3
X= -b (+/-) Sqrroot [(b^2) -4ac)]/2a
A=l*w
2/3
40. Convert 60% to a fraction
The sum of the digits it a multiple of 3 and the last two digits is a multiple of 4. (i.e 144: 1+4+4=9 which is a multiple of 3 - and 44 is a multiple of 4 - so 144 is a multiple of 12.)
A=b*h
SA= 4pi(r^3)
3/5
41. Convert 40% to a fraction
M= (Y1-Y2)/(X1-X2)
A=l*w
2/5
The sum of the digits is a multiple of 9.
42. Volume of a rectangular box
The sum of the digits is a multiple of 9.
V=Lwh
4/5
The sum of the digits is a multiple of 3
43. Convert 16.66% to a fraction
3/4
1/6
V=Lwh
A= (1/2)h*(a+b) where a is the length of the bottom base and b is the length of the top base.
44. When dividing exponential #s with the same base - you do this to the exponents...
A=b*h
Subtract them. i.e (5^7)/(5^3)= 5^4
5/6
1-sqrroot of 3-2
45. Perfect Squares 1-15
X= -b (+/-) Sqrroot [(b^2) -4ac)]/2a
Take the average of the largest and smallest # in the set. (i.e. for the set of consecutive #s 5....172 would be (172+5)/(2)= 88.5)
1 - 4 - 9 - 16 - 25 - 36 - 49 - 64 - 81 - 100 - 121 - 144 - 169 - 196 - 225
1/8