1
VITEEE 2025
MCQ (Single Correct Answer)
+4
-1

The equation of the straight line through the origin and parallel to the line

$$ \begin{aligned} & (b+c) x+(c+a) y+(a+b) z=k= \\ & (b-c) x+(c-a) y+(a-b) z \text { is } \end{aligned} $$

A

$\frac{x}{b^2-c^2}=\frac{y}{c^2-a^2}=\frac{z}{a^2-b^2}$

B

$\frac{\boldsymbol{x}}{a^2-b c}=\frac{\boldsymbol{y}}{b^2-c a}=\frac{\boldsymbol{Z}}{c^2-a b}$

C

$\frac{x}{b}=\frac{y}{c}=\frac{z}{a}$

D

$\frac{x}{b^2+c^2}=\frac{y}{c^2+a^2}=\frac{z}{a^2+b^2}$

2
VITEEE 2025
MCQ (Single Correct Answer)
+4
-1

The point $(-2 m, m+1)$ is an interior point of the smaller region bounded by circle $x^2+y^2=4$ and the parabola $y^2=4 x$, then

A

$-1< m<-5+2 \sqrt{6}$

B

$-1< m <\frac{3}{5}$

C

$0 < m < 4$

D

$-5-2 \sqrt{6}< m< 1$

3
VITEEE 2025
MCQ (Single Correct Answer)
+4
-1

Total number of 3 letters word that can be formed from the letters of the word 'SAHARANPUR' is equal to

A

210

B

247

C

237

D

227

4
VITEEE 2025
MCQ (Single Correct Answer)
+4
-1

For any four vectors $\mathbf{a , b , c , d}$ the expression $(\mathrm{b} \times \mathrm{c}) \cdot(\mathrm{a} \times \mathrm{d})+(\mathrm{c} \times \mathrm{a}) \cdot(\mathrm{b} \times \mathrm{d})+(\mathrm{a} \times \mathrm{b}) \cdot(\mathrm{c} \times \mathrm{d})$ is always equal to

A

$[\mathrm{a} \mathrm{b} \mathrm{c}]$

B

$[b \subset c]$

C

$[\mathbf{a} \mathbf{c} \mathbf{c} \mathbf{d}]$

D

None of these

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