Mathematics - Mathematical Induction
Practise 5 WBJEE previous year questions on Mathematical Induction, compiled from papers spanning 2012 to 2025. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty WBJEE tests.
Mathematical Induction has been asked in 5 of the 18 years of WBJEE papers analysed (2009–2026), with 5 questions in all. 40% of them were easy, 60% moderate and 0% tough. Most of its questions came from 2025, with 1 question that year. In the last three years (2024–2026) it had 1 question across 3 papers, about 0.3 per paper.
All of the chapter's questions come from a single topic, Mathematical Induction.
- 1The expression , where (the set of natural numbers) is divisible by2025Mathematical Induction
- 2Let \(P(n)=3^{2 n+1}+2^{n+2}\) where \(n {N}\). Then2023Mathematical Induction
- 3Let and be any four real numbers. Then. holds for any natural number . if2015Mathematical Induction
- 4The remainder obtained when is divided by 12 is2014Mathematical Induction
- 5The remainder obtained when is divided by 15 is2012Mathematical Induction
Frequently Asked Questions
1.How many questions are available for Mathematical Induction?
This chapter includes 5 questions compiled from WBJEE papers spanning 2012 to 2025.
2.Are these questions only from WBJEE, or from other exams too?
These are WBJEE questions specifically for the Mathematical Induction chapter. Questions from other exams like JEE Main or NTA Abhyas (JEE Main) are organised separately under their respective exam sections.
3.Is Mathematical Induction an important chapter for WBJEE Mathematics?
Mathematical Induction has appeared in 5 of the 18 years of WBJEE papers covered here, with 5 questions across 5 papers - about one per paper it appears in.
4.What is the difficulty level of Mathematical Induction questions in WBJEE?
Of the 5 questions analysed for this chapter, 40% are easy, 60% moderate and 0% tough. 2025 had the most, with 1 question.
5.Which topics in Mathematical Induction should I focus on?
All of this chapter's questions come from a single topic: Mathematical Induction.
6.Is Mathematical Induction's weightage in WBJEE going up or down?
Across all 5 papers analysed, Mathematical Induction has averaged about 1.0 questions per paper. In the last three years (2024–2026), that average has fallen, at about 0.3 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.