Types of Numbers
7 lessons · 12 questions · 3 PYQs
What the exams ask here
- primes in {2..25} via the set P - U Q(k) (Indore 2019 Q14)
- abc = 23(a + b + c) for primes -> max a + b - c (Indore 2026)
- 6m + k is never a perfect square for k = 2, 5 (Indore 2026); digits a square cannot end in
- count n <= 100 with n/140 a terminating decimal
- odd/even statements (Statement I / II)
- which expression is rational / irrational
Lessons
- Start hereThe idea and the methodFirst lesson of Types of Numbers
- 1.Primes composites3 questions + fresh variantsIndore 2019 SA
- 2.Perfect square properties1 question + fresh variantsIndore 2026 (like)
- 3.Rational irrational2 questions
- 4.Squares ending digits1 question
- 5.Terminating decimalsNew numbers every time (templates)
- 6.Parity statements5 questions