Area Under The Curve - JEE Main Previous Year Question with Solutions
Practice JEE Main & Advanced Area Under the Curve previous year questions with detailed solutions to strengthen integration concepts, improve problem-solving skills, and boost exam preparation.
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Frequently Asked Questions
Find answers to common questions.
How much weightage does Area Under The Curve carry in JEE Main?
Area Under The Curve typically contributes 1–2 questions per JEE Main paper, worth 4–8 marks. Over the past decade, it has appeared in nearly every session. It is part of the Integral Calculus unit, which collectively carries approximately 10–15% of the JEE Main Mathematics paper, making it one of the higher-weightage units to prioritise.
Is Area Under the Curve difficult in JEE Main?
The difficulty is moderate to hard. The calculation itself is straightforward if you set up the problem correctly. The real challenge is correctly identifying boundaries, finding intersection points, and deciding the direction of integration. Students who practise 20–30 previous year questions from this chapter consistently report it becoming one of their scoring topics.
What type of curves appear most frequently in Area Under Curve JEE Main questions?
Parabolas (both $x = f(y)$ and $y = f(x)$ forms), trigonometric curves ($\sin x$ and $\cos x$), logarithmic curves, and circles are the most frequent. Many questions combine two or three of these into a composite bounded region — for example, a circle intersecting a parabola, as seen in the 2014 and 2016 questions.
Should I integrate with respect to x or y in JEE Main area problems?
Choose based on which gives simpler limits and integrand. For parabolas of the form $(y - k)^2 = x - h$, integrating with respect to $y$ is almost always cleaner. For most other curves, $dx$ integration with vertical strips works well. Practising both orientations on the same problem builds the intuition to choose quickly under exam pressure.
Which Class 12 NCERT exercises are most relevant for this topic?
Chapter 8 (Application of Integrals) in Class 12 NCERT is directly relevant. Work through all examples and Exercise 8.1 and 8.2 completely. The miscellaneous exercise at the end of Chapter 8 contains problems at near-JEE level. You can find complete worked solutions at NCERT Solutions for Class 12 Maths.
