Q 1. If n ∈ N, then 72n + 23n – 3. 3n – 1 is always divisible byA. 25B. 35C. 45D. None of these Show Answer Answer:-A. 25 Q 2. If p is a prime number, then np – n is divisible by p when n is aA. Odd numberB. Irrational numberC. Complex numberD. Natural number greater than 1 Show Answer Answer:-D. Natural … Continue reading Mathematical Induction and Divisibility problems