2025 AMC 10/12B Complete Solutions 14-20

Описание: Thanks for stopping by! Below are the Google Forms for both tests. You can submit your answers and instantly see your score, topic-by-topic analysis.

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2025 AMC 10B Test:https://docs.google.com/forms/d/1dRHy...
2025 AMC 12B Test:https://docs.google.com/forms/d/1KTh5...

Following is my first attemp solutions so I may make another videos for some if I find a better way to do that.

Problem 1 is B)17-Arithmetic    • 2025 AMC 10/12 B Solutions(Key is in the d...  
Problem 2 is D)9115-Patterns,Arithmetic    • 2025 AMC 10/12 B Solutions(Key is in the d...  
Problem 3-is D)16-Pascal-like Triangle,Patterns    • 2025 AMC 10/12 B Solutions(Key is in the d...  
Problem 4 is A)7-Bases    • 2025 AMC 10/12 B Solutions(Key is in the d...  
Problem 5-C)40 Incribed Angle    • 2025 AMC 10/12 B Solutions(Key is in the d...  
Problem 6 is C)20-Coordinate Geometry    • 2025 AMC 10/12 B Solutions(Key is in the d...  
Problem 7 is C)3 4/7-Pythagorean Theorem    • 2025 AMC 10/12 B Solutions(Key is in the d...  
Problem 8 is C)11-Algebra with Digits    • 2025 AMC 10/12 B Solutions(Key is in the d...  
Problem 9 is C)11-System of Inequalities, Stars and Bars,    • 2025 AMC 10/12 B Solutions(Key is in the d...  
Problem 10 is is A)2-Rational Root Theorem,Synthetic Division    • 2025 AMC 10/12 B Solutions(Key is in the d...  
Problem 11 is B)3/16-Derangement,Probability    • 2025 AMC 10/12 B Solutions(Key is in the d...  
Problem 12 is C)-Areas,Poylgons    • 2025 AMC 10/12 B Solutions(Key is in the d...  
Problem 13 is A)3/7-Probability    • 2025 AMC 10/12 B Solutions(Key is in the d...  
0:00 Problem 14 is C)9/28-Probability
Problem 15 is D)107-Telescoping Series    • 2025 AMC 10B Problem 15-Partial Fraction D...  
Problem 16 isD/24-Coloring,Counting
Problem 17 is B)1014-Averages,Recursive Sequences
Problem 18 is D)5-Telescoping Series,Ceiling Functions
Problem 19 is D)95-Volume of Pyramids,Similar Triangles
Problem 20 is A)3-Length in Circles,Radicals,30-60-90 Triangle
Problem 21 is C)12-Casework,Burnside’s Lemma-   • 2025 AMC 10B Problem 21,AMC 12B Problem 17...  
Problem 22 isA)3/14 -Divisibility,Modular Arithmetic
Problem 23 is C)11-
Problem 24 is E)1/97-Probability with States,Recursion
Problem 25 is B)B-Slopes and Parity    • 2025 AMC 10B Problem 25-Slopes and Parity  


2025 AMC 2B
Problem 1 is B)17-Arithmetic    • 2025 AMC 10/12 B Solutions(Key is in the d...  
Problem 2 is D)9115-Patterns,Arithmetic    • 2025 AMC 10/12 B Solutions(Key is in the d...  
Problem 3 is D)-10-Complex Numbers    • 2025 AMC 12B Problem 3 Complex Numbers  
Problem 4 is A)7-Bases    • 2025 AMC 10/12 B Solutions(Key is in the d...  
Problem 5 is E)15-Diohantine Equations ,Modular Arithmetic-   • 2025 AMC 12B Problem 5 Modular Arithmetic  
Problem 6 is C)11-Algebra with Digits    • 2025 AMC 10/12 B Solutions(Key is in the d...  
Problem 7 is C)7/8-Telescoping Series with Logarithms-   • 2025 AMC 12B Problem 7-Telescoping Series ...  
Problem 8 is C)20-Vieta’s Relations, Roots, Conjugates-   • 2025 AMC 12B Problem 8-Vieta's Relation an...  
Problem 9 is C)5-Patterns,Modular Arithmetic
Problem 10 is A)3/7-Probability    • 2025 AMC 10/12 B Solutions(Key is in the d...  
Problem 11 is C)9/28
Problem 12-is C)10.5    • 2025 AMC12B Problem 12  
Problem 13 is D)24-Coloring,Counting
Problem 14 is B)2014-Averages,Recursive Sequences
Problem 15 is D)95-Volume of Pyramids,Similar Triangles
Problem 16 is B)-
Problem 17 is C)12-Casework,Burnside’s Lemma-   • 2025 AMC 10B Problem 21,AMC 12B Problem 17...  
Problem 18 is D)7/2-Expected Value
Problem 19 is C)11-Modular Arithmetic    • 2025 AMC 10B Problem 23,AMC 12B Problem 19...  
Problem 20 is D)1/97-Probability with States, Recursion
Problem 21is C)24    • 2025 AMC 12B Problem 21-Law of Cosines and...  
Problem 22 is C)9/16-Comples Numbers
Problem 23 is E)4319-
Problem 24 is D)399-Trigonometric Equations with Logarithms
Problem 25 is E)7 Concentric Circles,Equilateral Triangle and Coordbashing    • 2025 AMC 12B Problem 25