Teachoo MCQ Test

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Preparing for CBSE

Chapter 11 Class 12 Three Dimensional Geometry | 5 questions

Timed test. Answer every question before time runs out. Correct answers and solutions appear after submission.
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Question 1 of 5
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Question 1 of 5
CBSE Board Exam 2025
The equation of a line parallel to the vector \(3 \hat{i}+\hat{j}+2 \hat{k}\) and passing through the point \((4,-3,7)\) is :
Select one option. Answers are shown after the test.
Question 2 of 5
CBSE Board Exam 2024
If \(\alpha, \beta\) and \(\gamma\) are the angles which a line makes with positive directions of \(\mathrm{x}, \mathrm{y}\) and z axes respectively, then which of the following is not true ?
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Question 3 of 5
CBSE Board Exam 2024
If a line makes an angle of \(\frac{\pi}{4}\) with the positive directions of both \(x\)-axis and \(z\)-axis, then the angle which it makes with the positive direction of \(y\)-axis is :
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Question 4 of 5
CBSE Board Exam 2026
Assertion (A) : A line can have direction cosines \(\langle 1,1,1\rangle\)
Reason (R) : \(\cos \theta=1\) is possible for \(\theta=0\).
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Question 5 of 5
CBSE Board Exam 2026
Direction ratios of lines \(l_{1}\) and \(l_{2}\) respectively are \(<1,-2,3>\) and \(<-2, \mathrm{p},-6>\). The value of p for which \(l_{1} \| l_{2}\), is:
Select one option. Answers are shown after the test.