Practice Questions CBSE - Maths Class 12 (2023 Boards)

You are here

CBSE Class 12 Sample Paper for 2022 Boards (For Term 2) →

Maths Class 12

Solutions of Sample Papers and Past Year Papers - for Class 12 Boards

Question 12 - Practice Questions CBSE - Maths Class 12 (2023 Boards) - Solutions of Sample Papers and Past Year Papers - for Class 12 Boards

Last updated at August 14, 2026 by Teachoo

The position vectors of the vertices P,Q and R of ∆PQR are -i ̂+2j ̂+4k ̂, 3i ̂+6j ̂+8k ̂ and 4i ̂+j ̂+k ̂ respectively.

Which of the following is the vector that represents the median (PS) ?

A. 7/2 i ̂+9/2 j ̂+9/2 k ̂

B. 2i ̂+3j ̂+13/3 k ̂

C. 9/2 i ̂+3/2 j ̂+1/2 k ̂

D. -1/2 i ̂+5/2 j ̂+7/2 k ̂

[MCQ Class 12] The position vectors of the vertices P,Q and R - Practice Questions CBSE - Maths Class 12 (2023 Boards)

Next: Question 13 → Remove Ads

Teachoo · Class 12 Explore Class 12

Transcript

The position vectors of the vertices P,Q and R of ∆𝑃𝑄𝑅 are −𝑖 ̂+2𝑗 ̂+4𝑘 ̂, 3𝑖 ̂+6𝑗 ̂+8𝑘 ̂ and 4𝑖 ̂+𝑗 ̂+𝑘 ̂ respectively. Which of the following is the vector that represents the median (𝑃𝑆) ⃗ ? A. 7/2 𝑖 ̂+9/2 𝑗 ̂+9/2 𝑘 ̂ B. 2𝑖 ̂+3𝑗 ̂+13/3 𝑘 ̂ C. 9/2 𝑖 ̂+3/2 𝑗 ̂+1/2 𝑘 ̂ D. −1/2 𝑖 ̂+5/2 𝑗 ̂+7/2 𝑘 ̂

Made by

Davneet Singh

Davneet Singh is an IIT Kanpur graduate and has been teaching for 16+ years. At Teachoo, he breaks down Maths, Science and Computer Science into simple steps so students understand concepts deeply and score with confidence.

Many students prefer Teachoo Black for a smooth, ad-free learning experience.

Class 6

Class 7

Class 8

Class 9

Class 10

Class 11

Class 12

Courses

Interesting

Popular