Gmat quant Study guides, Class notes & Summaries

4^x + 4^-x = 2 - Answer-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 identical. - Answer-Yes Point Q lies in the interior of a particular circle. Is point Q the center of the circle? (2) At least two different diameters of the circle contain point Q. - A...

GMAT Quant Exam Questions & Answers 2023/2024 2^2 - ANSWER-4 1^2 - ANSWER-1 3^2 - ANSWER-9 4^2 - ANSWER-16 5^2 - ANSWER-25 6^2 - ANSWER-36 7^2 - ANSWER-49 8^2 - ANSWER-64 9^2 - ANSWER-81 10^2 - ANSWER-100 11^2 - ANSWER-121 12^2 - ANSWER-144 13^2 - ANSWER-169

2^2 correct answers4 1^2 correct answers1 3^2 correct answers9 4^2 correct answers16 5^2 correct answers25 6^2 correct answers36 7^2 correct answers49 8^2 correct answers64 9^2 correct answers81 10^2 correct answers100 11^2 correct answers121 12^2 correct answers144 13^2 correct answers169

GMAT Quant

How many zeros are in 100! ? correct answers The number of trailing zeros in the decimal representation of n!, the factorial of a non-negative integer n, can be determined with this formula: n/5 + n/5^2 + n/5^3+...+n/5^k, where k must be chosen such that 5k≤n For example: How many zeros are in 32!? 32/5 + 32/5^2 = 32/5 + 32/25 = 6 + 1 = 7 How many zeros does 100! end with? 100/5 + 100/5^2 = 20 + 4 = 24 Length of sides of a RIGHT isosceles triangle? correct answers Sides x : x : ...

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GMAT - Quant

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Adding Fractions w/Different Denominators - Answer-(a/b) + (c/d) = (ad + bc)/bd Subtracting Fractions w/Different Denominators - Answer-(a/b) - (c/d) = (ad - bc)/bd Comparing Fraction Size: Bowtie Method - Answer-(a/b) > (c/d) if ad > bc Properties of a Number Between 0 and 1 - Answer-x^2 < x < √x 3 Common Quadratic Identities - Answer- Difference of Squares - Answer- Even/Odd Rules - Answer- Prime Numbers Less than 100 - Answer-2, 3, 5, 7, 11, 13, 17, 19, 23, ...