1
VITEEE 2022
MCQ (Single Correct Answer)
+1
-0

If a man running around a race-course notes that the sum of the distances of two flag-posts from him is always $$10 \mathrm{~m}$$ and the distance between the flag-posts is $$8 \mathrm{~m}$$, then the area of the path he encloses in square metres is

A
12$$\pi$$
B
13$$\pi$$
C
14$$\pi$$
D
15$$\pi$$
2
VITEEE 2021
MCQ (Single Correct Answer)
+1
-0

The focal distance of the point $$(x, y)$$ from the ellipse $$\frac{x^2}{a^2}+\frac{y^2}{b^2}=1, a>b$$ is

A
$$a \pm \sqrt{1-\frac{b^2}{a^2}} y$$
B
$$b \pm \sqrt{1-\frac{a^2}{b^2}} y$$
C
$$a \pm \sqrt{1-\frac{b^2}{a^2}} x$$
D
$$b \pm \sqrt{1-\frac{a^2}{b^2}} x$$
3
VITEEE 2021
MCQ (Single Correct Answer)
+1
-0

The eccentricity of the ellipse $$25 x^2+9 y^2-150 x-90 y+225=0$$ is

A
$$\frac{4}{5}$$
B
$$\frac{3}{5}$$
C
$$\frac{4}{15}$$
D
$$\frac{9}{5}$$
VITEEE Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
CBSE
Class 12