Three Dimensional Geometry

Bihar Board Class 12 · Mathematics · 89 past questions

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1. Q31 2025 Set A2025 Set E

   Through which of the following points does the line $\frac{x-11}{12}=\frac{y-12}{13}=\frac{z+13}{14}$ pass ?

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2. Q57 20232023 Set E

   Through which of the following points does the straight line…

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3. Q70 2018

   Prove by direction numbers, that the points $(1,-1,3)$, $(2,-4,5)$ and $(5,-13,11)$ are in a straight line.

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4. Q73 2017

   A line is passing through $(\alpha,\beta,\gamma)$ and its direction cosines are $l,m,n$ then the equations of…

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5. Q79 2016

   A line passing through (2, -1, 3) and its direction ratios are 3, -1, 2. The equation of the line is

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6. Q89 2015

   Find the equation of the straight line perpendicular to the two lines…

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