Content in this issue:- Competition Edge Maths Musing Problem Set - 201 Brush Up for JEE 2020 Unit 3- Permutation and Combination & Binomial Theorem Challenging Problems- Complex Numbers and Quadratic Equations Math Archives Concept Booster- Complex Numbers You Ask We Answer Mock Test Paper JEE Main 2020 Series 4 Olympiad Corner The Magic of Vedic Mathematics Maths Musing Solutions- SOLUTION SET-200 Brain Twister   Class XII Concept Map- Application of Derivatives CBSE warm-up ! Series 5- Integrals, Application of Integrals Monthly Test Drive Series 4- Continuity and Differentiability   Class XI Concept Map- Binomial Theorem CBSE warm-up ! Series 5- Sequences and Series Monthly Test Drive Series 4- Permutations and Combinations, Mathematical Reasoning, Principle of Mathematical Induction