Mathematics - Pair of Lines
Practise 4 WBJEE previous year questions on Pair of Lines, compiled from papers spanning 2011 to 2018. 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.
Pair of Lines has been asked in 4 of the 18 years of WBJEE papers analysed (2009–2026), with 4 questions in all. 50% of them were easy, 50% moderate and 0% tough. Most of its questions came from 2018, with 1 question that year. In the last three years (2024–2026) it had 0 questions across 3 papers, about 0 per paper.
The chapter's 3 topics are not weighted equally: General equation of second degree (2 questions, 50%), Homogeneous equation of second degree (1 question, 25%), and Homogenization of curve (1 question, 25%) have been asked the most.
- 1Without changing the direction of the axes, the origin is transferred to the point (2,3) . Then the equation changes to2018General equation of second degree
- 2The equation represents2016Homogenization of curve
- 3The least value of for real numbers and is2015General equation of second degree
- 4The equation \(8 x^2+12 y^2-4 x+4 y-1=0\) represents2011Homogeneous equation of second degree
Frequently Asked Questions
1.How many questions are available for Pair of Lines?
This chapter includes 4 questions compiled from WBJEE papers spanning 2011 to 2018.
2.Are these questions only from WBJEE, or from other exams too?
These are WBJEE questions specifically for the Pair of Lines chapter. Questions from other exams like JEE Main or NTA Abhyas (JEE Main) are organised separately under their respective exam sections.
3.Is Pair of Lines an important chapter for WBJEE Mathematics?
Pair of Lines has appeared in 4 of the 18 years of WBJEE papers covered here, with 4 questions across 4 papers - about one per paper it appears in.
4.What is the difficulty level of Pair of Lines questions in WBJEE?
Of the 4 questions analysed for this chapter, 50% are easy, 50% moderate and 0% tough. 2018 had the most, with 1 question.
5.Which topics in Pair of Lines should I focus on?
These topics have carried the most weightage in Pair of Lines:
- General equation of second degree - 2 questions (50%)
- Homogeneous equation of second degree - 1 question (25%)
- Homogenization of curve - 1 question (25%)
6.Is Pair of Lines's weightage in WBJEE going up or down?
Across all 4 papers analysed, Pair of Lines has averaged about 1.0 questions per paper. In the last three years (2024–2026), that average has fallen, at about 0.0 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.