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[Show more]Elevate Your GMAT Score: Complete Q&A Bundle for Success. This comprehensive GMAT Q&A bundle is your ultimate resource for achieving your highest score on the GMAT exam
[Show more]Coordinate plane quadrants left to right = II, I, III, IV 
 
45/45/90 Triangle x, x, x√2 
 
30-60-90 triangle x, x√3, 2x 
 
Area of Trapezoid (b1 + b2)/2 * h 
 
Inscribed angle length of outside = degree of inscribed or 2x degree of center 
 
cylinder volume πr²h 
 
Cylinder surface area 2πrh...
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Add to cartCoordinate plane quadrants left to right = II, I, III, IV 
 
45/45/90 Triangle x, x, x√2 
 
30-60-90 triangle x, x√3, 2x 
 
Area of Trapezoid (b1 + b2)/2 * h 
 
Inscribed angle length of outside = degree of inscribed or 2x degree of center 
 
cylinder volume πr²h 
 
Cylinder surface area 2πrh...
Distance Rate x Time = Distance 
 
Basic Probability Formula Number of outcomes you want / total number of possible outcomes 
 
Probability of Both things happening Probability A x Probability B = Both things happening 
 
Probability of one or the other thing happening Probability A + Probability B ...
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Add to cartDistance Rate x Time = Distance 
 
Basic Probability Formula Number of outcomes you want / total number of possible outcomes 
 
Probability of Both things happening Probability A x Probability B = Both things happening 
 
Probability of one or the other thing happening Probability A + Probability B ...
Perfect Squares 1 - 15 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, 169, 196, 225 
 
Perfect Cubes 1 - 15 1, 8, 27, 64, 125, 216, 343, 512, 729, 1000, 1331, 1728, 2197, 2744, 3375 
 
2³ 8 
 
2⁴ 16 
 
2⁵ 32 
 
2⁶ 64 
 
2⁷ 128 
 
2⁸ 256 
 
2⁹ 512 
 
2¹⁰ 1024 
 
3³ 27 
 
3⁴ 81 
 
...
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Add to cartPerfect Squares 1 - 15 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, 169, 196, 225 
 
Perfect Cubes 1 - 15 1, 8, 27, 64, 125, 216, 343, 512, 729, 1000, 1331, 1728, 2197, 2744, 3375 
 
2³ 8 
 
2⁴ 16 
 
2⁵ 32 
 
2⁶ 64 
 
2⁷ 128 
 
2⁸ 256 
 
2⁹ 512 
 
2¹⁰ 1024 
 
3³ 27 
 
3⁴ 81 
 
...
4^x + 4^-x = 2 To get reciprocals to equal 2, both must be 1, so x = 0 
 
Point Q lies in the interior of a particular circle. Is point Q the center of the circle? 
 
(1) There exist points A, B, and C, all distinct points on the circle's circumference, such that the distances QA, QB, and QC are i...
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Add to cart4^x + 4^-x = 2 To get reciprocals to equal 2, both must be 1, so x = 0 
 
Point Q lies in the interior of a particular circle. Is point Q the center of the circle? 
 
(1) There exist points A, B, and C, all distinct points on the circle's circumference, such that the distances QA, QB, and QC are i...
Unlike most other mergers in the utility industry, which have been driven by the need to save money and extend companies' service areas, the merger of the nation's leading gas [and electric company is intended to create a huge marketing network for the utilities in question with states opening] th...
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Add to cartUnlike most other mergers in the utility industry, which have been driven by the need to save money and extend companies' service areas, the merger of the nation's leading gas [and electric company is intended to create a huge marketing network for the utilities in question with states opening] th...
"Alexandra needs to mix cleaning solution in the following ratio: 1 part bleach for every 4 parts water. When mixing the solution, Alexandra makes a mistake and mixes in half as much bleach as she ought to have. The total solution consists of 27 mL. How much bleach did Alexandra put into the soluti...
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Add to cart"Alexandra needs to mix cleaning solution in the following ratio: 1 part bleach for every 4 parts water. When mixing the solution, Alexandra makes a mistake and mixes in half as much bleach as she ought to have. The total solution consists of 27 mL. How much bleach did Alexandra put into the soluti...
Plant scientists have been able to genetically engineer vegetable seeds to produce crops that are highly resistant to insect damage. Although these seeds currently cost more than conventional seeds, their cost is likely to decline. Moreover, farmers planting them can use far less pesticide, and most...
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Add to cartPlant scientists have been able to genetically engineer vegetable seeds to produce crops that are highly resistant to insect damage. Although these seeds currently cost more than conventional seeds, their cost is likely to decline. Moreover, farmers planting them can use far less pesticide, and most...
An argument is made up of premises (data) and a conclusion which was drawn on the basis of these premises. An argument is comprised of: 
 
 Premise(s) - factual data or a given; 
 Conclusion - statement, opinion, or judgment based on the premise(s). The conclusion may be logical (Example 1) or flawe...
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Add to cartAn argument is made up of premises (data) and a conclusion which was drawn on the basis of these premises. An argument is comprised of: 
 
 Premise(s) - factual data or a given; 
 Conclusion - statement, opinion, or judgment based on the premise(s). The conclusion may be logical (Example 1) or flawe...
Is the smallest of five consecutive integers even? 
(1) The product of the five integers is 0. 
(2) The sum of the five integers is 0. 
a. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. 
b. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient. 
...
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Add to cartIs the smallest of five consecutive integers even? 
(1) The product of the five integers is 0. 
(2) The sum of the five integers is 0. 
a. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. 
b. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient. 
...
2^2 4 
 
1^2 1 
 
3^2 9 
 
4^2 16 
 
5^2 25 
 
6^2 36 
 
7^2 49 
 
8^2 64 
 
9^2 81 
 
10^2 100 
 
11^2 121 
 
12^2 144 
 
13^2 169 
 
14^2 196 
 
15^2 225 
 
25^2 625 
 
√2 1.414 
 
√3 1.732 
 
√5 2.236 
 
2^0 1 
 
2^1 2 
 
2^3 8 
 
2^4 16 
 
2^5 32 
 
2^6 64 
 
2^7 128 
 
2^8 256 
 
2^9 512 ...
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Add to cart2^2 4 
 
1^2 1 
 
3^2 9 
 
4^2 16 
 
5^2 25 
 
6^2 36 
 
7^2 49 
 
8^2 64 
 
9^2 81 
 
10^2 100 
 
11^2 121 
 
12^2 144 
 
13^2 169 
 
14^2 196 
 
15^2 225 
 
25^2 625 
 
√2 1.414 
 
√3 1.732 
 
√5 2.236 
 
2^0 1 
 
2^1 2 
 
2^3 8 
 
2^4 16 
 
2^5 32 
 
2^6 64 
 
2^7 128 
 
2^8 256 
 
2^9 512 ...
Common Factors Break down both numbers to their prime factors to see what factors they have in common. Multiply all combinations of shared prime factors to find all common factors. 
 
Gross Profit Gross profit = Selling Price - Cost 
 
Combined Events For events E and F: 
• not E = P(not E) = 1 - ...
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Add to cartCommon Factors Break down both numbers to their prime factors to see what factors they have in common. Multiply all combinations of shared prime factors to find all common factors. 
 
Gross Profit Gross profit = Selling Price - Cost 
 
Combined Events For events E and F: 
• not E = P(not E) = 1 - ...
C. Each student in a room is a sophomore, a junior, or a senior. Each of these students has exactly one of the categorizations of sophomore, junior, and senior. How many students in the room are seniors? 
STATEMENT 1: 
There are a total of 36 students in the room, of which 1/3 are sophomores. 
STATE...
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Add to cartC. Each student in a room is a sophomore, a junior, or a senior. Each of these students has exactly one of the categorizations of sophomore, junior, and senior. How many students in the room are seniors? 
STATEMENT 1: 
There are a total of 36 students in the room, of which 1/3 are sophomores. 
STATE...
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