Topic Details (Notes format)

How to Solve Simple Diophantine Equations with Two Unknowns

Subject: Mathematics

Book: Maths Mastery

A Diophantine equation restricts solutions to integers. A typical linear form is Ax + By = C. For instance, 4x + 6y= 14 can be tackled by factoring out gcd(4,6)=2, rewriting as 2(2x+3y)=14, so 2x+3y=7. Then find integer solutions systematically. Another approach is the Extended Euclidean Algorithm. These equations are fundamental in partitioning tasks, cryptographic key generation, or advanced number theory. Mastering them ensures a strong integer-based solution approach for logic puzzles or real-world quantity allocations that must remain whole.

Practice Questions

If the average of five consecutive odd numbers is 25, what is the largest number?

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What is the square root of 144?

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What is the sum of the first 50 positive integers?

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What is the HCF of 48 and 180?

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If x^2 - 6x + 9 = 0, what is the value of x?

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If 5x - 2 = 13, what is the value of x?

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A man spends 75% of his income and saves Rs. 600. What is his total income?

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What is the remainder when 5^100 is divided by 3?

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The LCM of 12 and 15 is:

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The perimeter of a rectangle is 40 cm, and its length is 12 cm. What is its width?

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