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Tag: Theory

Permutation and Combinations – Theory

November 10, 2012 rajesh Combinatorics Leave a comment

The previous two posts discussed a key idea behind counting number of options for the question

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Permutations and Combinations

November 5, 2012 rajesh Combinatorics Leave a comment

Question Sum of three whole numbers a, b and c is 10. How many ordered

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Questions and solutions on Permutation and Combination

October 29, 2012 rajesh Combinatorics Leave a comment

Permutation and Combination. Questions 1. Sum of three natural numbers a, b and c is

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Fermat’s Little Theorem and Euler’s Phi function

November 15, 2010 rajesh Number Theory One comment

Fermat’s Little Theorem states that if p is prime then a^p – a is a

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CAT Number Theory – Modulus

November 15, 2010 rajesh Number Theory Leave a comment

Had sent an entry on Euler’s phi function earlier , and thought it would be

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3 variables Armstrong Numbers Boats and Streams CAGR Circles Common Errors Concepts Domain and Range Euler's Function Exam Strategy Factorials Factors Functions Geometry GP Greatest Integer Function Growth Rate HCF and LCM LCM Linear Equations LR Mean and Median Mensuration Mixtures Modulus Function Numbers Odd Days Probability Product of Digits Puzzle QA4CAT Quadratic Equations Quadrilaterals Quants Races Rank of a word Ratios Relative Speed Remainders Sets Speed Distance Time Theory Tough Question Triangles Wilson's Theorem

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