The previous two posts discussed a key idea behind counting number of options for the question
Tag: Theory
Permutations and Combinations
Question Sum of three whole numbers a, b and c is 10. How many ordered
Questions and solutions on Permutation and Combination
Permutation and Combination. Questions 1. Sum of three natural numbers a, b and c is
Fermat’s Little Theorem and Euler’s Phi function
Fermat’s Little Theorem states that if p is prime then a^p – a is a
CAT Number Theory – Modulus
Had sent an entry on Euler’s phi function earlier , and thought it would be