Area Under The Curve - JEE Main Previous Year Question with Solutions

Q. The area of the region bounded by the parabola $(\mathrm{y}-2)^{2}$ = x – 1, the tangent to the parabola at the point (2, 3) and the x–axis is :- (1) 9            (2) 12            (3) 3              (4) 6 [AIEEE-2009]

Q. The area bounded by the curves y = cos x and y = sin x between the ordinates x = 0 and x = $\frac{3 \pi}{2}$ is :- (1) $4 \sqrt{2}-2$ (2) $4 \sqrt{2}+2$ (3) $4 \sqrt{2}-1$ (4) $4 \sqrt{2}+1$ [AIEEE-2010]

Q. The area of the region enclosed by the curves $y=x, x=e, y=\frac{1}{x}$ and the positive $x$ -axis is:- (1) $\frac{3}{2}$ square units (2) $\frac{5}{2}$ square units (3) $\frac{1}{2}$ square units (4) 1 square units [AIEEE-2011]

Q. The area bounded by the curves $y^{2}=4 x$ and $x^{2}=4 y$ is :- (1) 0             (2) $\frac{32}{3}$              (3) $\frac{16}{3}$               (4) $\frac{8}{3}$ [AIEEE-2011]

Q. The area bounded between the parabolas $x^{2}=\frac{y}{4}$ and $x^{2}=9 y,$ and the straight line $y=2$ is : (1) $10 \sqrt{2}$ (2) $20 \sqrt{2}$ (3) $\frac{10 \sqrt{2}}{3}$ (4) $\frac{20 \sqrt{2}}{3}$ [AIEEE-2012]

Q. The area (in square units) bounded by the curves $y=\sqrt{x}, 2 y-x+3=0,$ x-axis and lying in the first quadrant is : (1) 9         (2) 36            (3) 18           (4) $\frac{27}{4}$ [JEE (Main)-2013]

Q. The area bounded by the curve y = ln(x) and the lines y = 0, y = ln (3) and x = 0 is equal to : (1) 3 ln (3) – 2                      (2) 3                    (3) 2                      (4) 3 ln (3) + 2 [JEE-Main (On line)-2013]

Q. The area of the region (in sq. units), in the first quadrant, bounded by the parabola y = $9 x^{2}$ and the lines x = 0, y = 1 and y = 4, is :- (1) 7/9             (2) 14/3              (3) 14/9              (4) 7/3 [JEE-Main (On line)-2013]

Q. The area under the curve $y=|\cos x-\sin x|, 0 \leq x \leq \frac{\pi}{2},$ and above $x$ -axis is : (1) $2 \sqrt{2}$ (2) $2 \sqrt{2}+2$ (3) 0 (4) $2 \sqrt{2}-2$ [JEE-Main (On line)-2013]

Q. Let $f:[-2,3] \rightarrow[0, \infty)$ be a continuous function such that $f(1-x)=f(x)$ for all $x \in[-2,3] .$ If $R_{1}$ is the numerical value of the area of the region bounded by $y=f(x), x=-2, x=3$ and the axis of $x$ and $R_{2}=\int_{-2}^{3} x f(x) d x,$ then : (1) $2 \mathrm{R}_{1}=3 \mathrm{R}_{2}$ (2) $\mathrm{R}_{1}=\mathrm{R}_{2}$ (3) $3 \mathrm{R}_{1}=2 \mathrm{R}_{2}$ (4) $\mathrm{R}_{1}=2 \mathrm{R}_{2}$ [JEE-Main (On line)-2013]

Q. The area of the region described by $\mathrm{A}=\left\{(\mathrm{x}, \mathrm{y}): \mathrm{x}^{2}+\mathrm{y}^{2} \leq 1 \text { and } \mathrm{y}^{2} \leq 1-\mathrm{x}\right\}$ is : (1) $\frac{\pi}{2}+\frac{4}{3}$ (2) $\frac{\pi}{2}-\frac{4}{3}$ (3) $\frac{\pi}{2}-\frac{2}{3}$ (4) $\frac{\pi}{2}+\frac{2}{3}$ [JEE(Main)-2014]

Q. The area (in sq.units) of the region $\left\{(\mathrm{x}, \mathrm{y}): \mathrm{y}^{2} \geq 2 \mathrm{x} \text { and } \mathrm{x}^{2}+\mathrm{y}^{2} \leq 4 \mathrm{x}, \mathrm{x} \geq 0, \mathrm{y} \geq 0\right\}$ is :- (1) $\frac{\pi}{2}-\frac{2 \sqrt{2}}{3}$ (2) $\pi-\frac{4}{3}$ (3) $\pi-\frac{8}{3}$ (4) $\pi-\frac{4 \sqrt{2}}{3}$ [JEE(Main)-2016]

Q. The area (in sq. units) of the region $\left\{(\mathrm{x}, \mathrm{y}\}: \mathrm{x} \geq 0, \mathrm{x}+\mathrm{y} \leq 3, \mathrm{x}^{2} \leq 4 \mathrm{y} \text { and } \mathrm{y} \leq 1+\sqrt{\mathrm{x}}\right\}$ is : (1) $\frac{5}{2}$ (2) $\frac{59}{12}$ (3) $\frac{3}{2}$ (4) $\frac{7}{3}$ [JEE(Main)-2017]

Q. Let $g(x)=\cos x^{2}, f(x)=\sqrt{x}$ and $\alpha, \beta(\alpha<\beta)$ be the roots of the quadratic equation $18 x^{2}-9 \pi x+\pi^{2}=0 .$ Then the area (in sq. units) bounded by the curve $y=(\operatorname{gof})$ (x) and the lines $x=\alpha, x=\beta$ and $y=0$ is- ( 1)$\frac{1}{2}(\sqrt{3}+1)$ (2) $\frac{1}{2}(\sqrt{3}-\sqrt{2})$ (3) $\frac{1}{2}(\sqrt{2}-1)$ ( 4)$\frac{1}{2}(\sqrt{3}-1)$ [JEE (Main)-2018]