JEE Main Maths · Class 11
Complex Numbers and Quadratic Equations: JEE Main previous year questions
Complex Numbers and Quadratic Equations had 79 questions in the 42 JEE Main shifts Lumi analysed, about 1.6 a shift, asked in 42 of 42 shifts. It ranks 3 of 22 Maths chapters by questions; 24% of its questions were hard.
- Questions
- 79
- in 42 of 42 shifts
- A shift, on average
- 1.6
- of 25 Maths questions
- Since 2024
- +0.4
- 1.5 a shift in 2017–23, 1.9 in 2024–26
- Numerical answer
- 15
- 19% of its questions
Year by year
How often it came
Questions in the analysed shifts of each year. Years differ in how many shifts Lumi analysed, so read the bars with the shift count.
2017: 1 shifts · 2020: 4 shifts · 2021: 4 shifts · 2022: 4 shifts · 2023: 4 shifts · 2024: 8 shifts · 2025: 8 shifts · 2026: 9 shifts
- 20171
- 20208
- 20216
- 20228
- 20237
- 202418
- 202515
- 202616
- Easy
- Medium
- Hard
Inside the chapter
Topics and the ideas that repeat
7 topics and 31 distinct ideas; 13 ideas were asked more than once. Most questions are single correct and multi-step.
- Quadratic Roots40 Q
- Complex Numbers - Polar Form15 Q
- Roots of Unity5 Q
- Location of Roots4 Q
- Ellipse Eccentricity1 Q
- General Solutions1 Q
- Trigonometric Identities1 Q
12 questions had no close topic in our taxonomy and are counted for the chapter only.
- Newton's Sums9× · 2020–26
- Root-Coefficient Relation8× · 2020–26
- Modulus and Argument5× · 2020–24
- Symmetric Functions5× · 2022–26
- Complex Conjugate Roots4× · 2020–26
- Polar Triangle Inequality Extrema4× · 2022–26
- Roots of Modulus Quadratics3× · 2023–25
- Both Roots Positive2× · 2025–26
- Common Root Condition2× · 2020–21
- Equilateral Triangle Condition via Omega2× · 2021–25
Study it on Lumi
Complex Numbers and Quadratic Equations: the interactive lessonEvery question
All 79 Complex Numbers and Quadratic Equations questions
Newest first. Each opens with its options and the official answer.
2026 16 questions
- 2 Apr 2026, Shift 1 · Q1Let , be the roots of the quadratic equation…HardSingle correct
- 2 Apr 2026, Shift 1 · Q2Let and be real numbers such that , . Then the value of…EasySingle correct
- 2 Apr 2026, Shift 2 · Q1Let be the roots of the equation , and be the roots of the equation…MediumSingle correct
- 2 Apr 2026, Shift 2 · Q2Let the circles and be such that lies within . If moves on…MediumSingle correct
- 4 Apr 2026, Shift 1 · Q2If the set of all solutions of is , then is equal…HardSingle correct
- 4 Apr 2026, Shift 1 · Q3Let be a complex number such that and . Then is equal to:MediumSingle correct
- 4 Apr 2026, Shift 2 · Q2Let . Then is equal to:EasySingle correct
- 4 Apr 2026, Shift 2 · Q5If the quadratic equation , , has two positive roots, then the number of possible…MediumSingle correct
- 5 Apr 2026, Shift 1 · Q1Let . Let be the roots of the equation . If and…MediumSingle correct
- 5 Apr 2026, Shift 2 · Q1Let be the roots of the equation and be the roots the equation ;…MediumSingle correct
- 5 Apr 2026, Shift 2 · Q2Let be the distinct solutions of the equation . Then is equal to :MediumSingle correct
- 6 Apr 2026, Shift 1 · Q4Let the set of all values of such that the equation , , has at least one…HardSingle correct
- 6 Apr 2026, Shift 2 · Q2Consider the quadratic equation , . Let be the minimum value of the product of…MediumSingle correct
- 6 Apr 2026, Shift 2 · Q3Let . Then is equal to :MediumSingle correct
- 6 Apr 2026, Shift 2 · Q16Let for some . If the set of all possible values…HardSingle correct
- 8 Apr 2026, Shift 2 · Q2The number of values of , satisfying the equations and…HardSingle correct
2025 15 questions
- 2 Apr 2025, Shift 1 · Q2Let be a complex number such that . If , , then the maximum distance of …HardSingle correct
- 2 Apr 2025, Shift 1 · Q17Let , . If , , and , then the quadratic equation having roots…MediumSingle correct
- 2 Apr 2025, Shift 2 · Q21If the set of all , for which the roots of the equation are positive is…MediumNumerical value
- 3 Apr 2025, Shift 1 · Q3Let and be the roots of , and and be the roots of . If…MediumSingle correct
- 3 Apr 2025, Shift 1 · Q4Let be such that . Then the sum of all possible values of isMediumSingle correct
- 3 Apr 2025, Shift 2 · Q4Let the equation have equal roots. Then the distance of the point from the line…EasySingle correct
- 3 Apr 2025, Shift 2 · Q5If are the vertices of an equilateral triangle, whose centroid is , then…MediumSingle correct
- 4 Apr 2025, Shift 2 · Q3Let the product of and be ,…HardSingle correct
- 4 Apr 2025, Shift 2 · Q21If is a root of the equation and , then n is equal to…MediumNumerical value
- 7 Apr 2025, Shift 1 · Q2Among the statements (S1) : The set and is purely real contains exactly two…MediumTwo statements
- 7 Apr 2025, Shift 1 · Q3Let the set of all values of , for which both the roots of the equation are negative real…EasySingle correct
- 7 Apr 2025, Shift 2 · Q3The number of real roots of the equation is :MediumSingle correct
- 7 Apr 2025, Shift 2 · Q4If the locus of , such that…HardSingle correct
- 8 Apr 2025, Shift 2 · Q2The sum of the squares of the roots of and the squares of the roots of , isMediumSingle correct
- 8 Apr 2025, Shift 2 · Q3Let…HardSingle correct
2024 18 questions
- 6 Apr 2024, Shift 2 · Q3If are two distinct complex number such that , thenHardSingle correct
- 6 Apr 2024, Shift 2 · Q21Let be roots of . If , then is equal to ________.EasyNumerical value
- 8 Apr 2024, Shift 1 · Q2Let be a complex number such that and . Then the value of…MediumSingle correct
- 8 Apr 2024, Shift 1 · Q3The sum of all the solutions of the equation is :EasySingle correct
- 8 Apr 2024, Shift 1 · Q6If the set has elements and , where ,…MediumSingle correct
- 9 Apr 2024, Shift 1 · Q2Let be the roots of the equation . The quadratic equation, whose roots are and…MediumSingle correct
- 9 Apr 2024, Shift 1 · Q22The sum of the square of the modulus of the elements in the set…MediumNumerical value
- 9 Apr 2024, Shift 2 · Q2Let be a complex number such that the real part of is zero. Then, the maximum value of is equal toMediumSingle correct
- 9 Apr 2024, Shift 2 · Q3Let , be the roots of the equation . Let .…MediumSingle correct
- 29 Jan 2024, Shift 1 · Q3If is such that , and , then is…EasySingle correct
- 29 Jan 2024, Shift 1 · Q21Let be the roots of the equation with . Then is…MediumNumerical value
- 30 Jan 2024, Shift 2 · Q2If is a complex number, then the number of common roots of the equations and ,…MediumSingle correct
- 31 Jan 2024, Shift 1 · Q2Let S be the set of postive integral values of for which . Then, the…EasySingle correct
- 31 Jan 2024, Shift 1 · Q7Let be the sum of all coefficients in the expansion of and…HardSingle correct
- 31 Jan 2024, Shift 1 · Q8For , let and be one of its root. Then, among the two statements (I) If…MediumTwo statements
- 31 Jan 2024, Shift 1 · Q22If denotes the number of solutions of and , where…MediumNumerical value
- 31 Jan 2024, Shift 2 · Q3Let and be two complex numbers such that and . Then, equals -HardSingle correct
- 31 Jan 2024, Shift 2 · Q24Let be the lengths of three sides of a triangle satisfying the condition . If the set of all…HardNumerical value
2023 7 questions
- 6 Apr 2023, Shift 1 · Q2The sum of all the roots of the equation is:MediumSingle correct
- 8 Apr 2023, Shift 2 · Q2Let . Then the sum of the…MediumSingle correct
- 8 Apr 2023, Shift 2 · Q22Let and be the numbers of real roots of the quadratic equations and …HardNumerical value
- 11 Apr 2023, Shift 1 · Q14Let be the point obtained by the rotation of about the origin through a right angle in the anticlockwise direction,…MediumSingle correct
- 11 Apr 2023, Shift 1 · Q24If and are the roots of the equation , then the value of…MediumNumerical value
- 13 Apr 2023, Shift 2 · Q2Let . Then is equal toHardSingle correct
- 13 Apr 2023, Shift 2 · Q3Let be the roots of the equation . Then is equal toMediumSingle correct
2022 8 questions
- 25 Jul 2022, Shift 1 · Q2If are the roots of the equation , then…MediumSingle correct
- 28 Jul 2022, Shift 1 · Q15Let and . Then, for…HardSingle correct
- 28 Jul 2022, Shift 1 · Q26For , consider the real valued function and . Let and be in…MediumNumerical value
- 28 Jul 2022, Shift 1 · Q30The sum of all real values of for which is equal to __________.MediumNumerical value
- 24 Jun 2022, Shift 1 · Q1Let and . Then, B :MediumSingle correct
- 24 Jun 2022, Shift 1 · Q7If the sum of the squares of the reciprocals of the roots and of the equation is 15, then…MediumSingle correct
- 29 Jun 2022, Shift 1 · Q8Let and be the roots of the equation . Then, the value of is equal to :MediumSingle correct
- 29 Jun 2022, Shift 1 · Q21Let . Let attains minimum and maximum values,…HardNumerical value
2021 6 questions
- 3 Aug 2021, Shift 2 · Q62If the equations and have one root in common, then a value of '' isEasySingle correct
- 25 Jul 2021, Shift 1 · Q72The number of real roots of the equation is :HardSingle correct
- 25 Jul 2021, Shift 1 · Q90If are roots of the equation , and for each positive integer n,…MediumNumerical value
- 16 Mar 2021, Shift 2 · Q76The least value of where is complex number which satisfies the inequality…MediumSingle correct
- 18 Mar 2021, Shift 1 · Q62If the equation represents a circle where a, d are real constants, then which of the…MediumSingle correct
- 18 Mar 2021, Shift 1 · Q81Let be the roots of the equation and form an equilateral triangle with origin. Then, the value of…MediumNumerical value
2020 8 questions
- 8 Jan 2020, Shift 1 · Q52If the equation, () has conjugate complex roots and they satisfy , then :MediumSingle correct
- 8 Jan 2020, Shift 1 · Q71The least positive value of 'a' for which the equation, has real roots is ______.EasyNumerical value
- 9 Jan 2020, Shift 2 · Q52Let , be such that the equation, has a repeated root , which is also a root of the…MediumSingle correct
- 9 Jan 2020, Shift 2 · Q53If be a complex number satisfying , then cannot be :MediumSingle correct
- 2 Sep 2020, Shift 1 · Q52Let and be the roots of the equation, . If , , then :EasySingle correct
- 2 Sep 2020, Shift 1 · Q53The value of is :MediumSingle correct
- 6 Sep 2020, Shift 2 · Q52If and are the roots of the equation , then is equal to :MediumSingle correct
- 6 Sep 2020, Shift 2 · Q53Let be a non-zero complex number such that , where , then lies on the :MediumSingle correct
2017 1 questions
Pattern: Asked most years.