1
BITSAT 2023
MCQ (Single Correct Answer)
+3
-1

If $$y=m_1 x+c_1$$ and $$y=m_2 x+c_2, m_1 \neq m_2$$ are two common tangents of circle $$x^2+y^2=2$$ and parabola $$y^2=x$$, then the value of $$8\left|m_1 m_2\right|$$ is equal to

A
$$7+6 \sqrt{2}$$
B
$$3+4 \sqrt{2}$$
C
$$-5+6 \sqrt{2}$$
D
$$-4+3 \sqrt{2}$$
2
BITSAT 2023
MCQ (Single Correct Answer)
+3
-1

The number of words (with or without meaning) that can be formed from all the letters of the word "LETTER" in which vowels never come together is

A
80
B
100
C
120
D
140
3
BITSAT 2023
MCQ (Single Correct Answer)
+3
-1

If $$a_1, a_2, \ldots, a_n$$ are in HP, then the expression $$a_1 a_2+a_2 a_3+\ldots+a_{n-1} a_n$$ is equal to

A
$$n\left(a_1-a_n\right)$$
B
$$(n-1)\left(a_1-a_n\right)$$
C
$$n a_1 a_n$$
D
$$(n-1) a_1 a_n$$
4
BITSAT 2023
MCQ (Single Correct Answer)
+3
-1

The equation of the line passing through $$(-4,3,1)$$ parallel to the plane $$x+2 y-z-5=0$$ and intersecting the line $$\frac{x+1}{-3}=\frac{y-3}{2}=\frac{z-2}{-1}$$ is

A
$$\frac{x+4}{3}=\frac{y-3}{-1}=\frac{z-1}{1}$$
B
$$\frac{x+4}{-1}=\frac{y-3}{1}=\frac{z-1}{1}$$
C
$$\frac{x+4}{1}=\frac{y-3}{1}=\frac{z-1}{3}$$
D
$$\frac{x-4}{2}=\frac{y+3}{1}=\frac{z+1}{4}$$
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