# Class 12 Maths Chapter 10 Vector Algebra MCQ with Answers

Check the below NCERT MCQ Questions for Class 12 Maths Chapter 10 Vector Algebra with Answers Pdf free download. MCQ Questions for Class 12 Maths with Answers were prepared based on the latest exam pattern. We have provided Vector Algebra Class 12 Maths MCQs Questions with Answers to help students understand the concept very well.

(a) 15
(b) √113
(c) √593
(d) √369

(a) a, c
(b) b, d
(c) b, c
(d) m, d

## Q.3 Which of the following represents collinear but not equal vectors?

(a) a, c
(b) b, d
(c) b, m
(d) Both (a) and (b)

(a) √3
(b) 1 – √3
(c) 1 + √3
(d) -√3

## Q.5 Which of the following represents coinitial vector?

(a) c, d
(b) m, b
(c) b, d
(d) Both (a) and (b)

## Q.6 If a + b + c = 0, then a × b =

(a) c × a
(b) b × c
(c) 0
(d) Both (a) and (b)

(a) -8
(b) 4
(c) 3
(d) 12

(a) 0
(b) 2[abc]
(c) -[abc]
(d) [abc]

(a) 0
(b) u.v × w
(c) u.w × v
(d) 3u.v × w

(a) 4
(b) 9
(c) 8
(d) 6

(a) 12
(b) 3
(c) 8
(d) 4

(a) 2
(b) 6
(c) 8
(d) 20

(a) ±10
(b) ±40
(c) ±60
(d) ±25

(a) √3
(b) 1 – √3
(c) 1 + √3
(d) -√3

## Q.15 The distance of the point (- 3, 4, 5) from the origin

(a) 50
(b) 5√2
(c) 6
(d) None of these

## Q.16 If a, b, c are unit vectors such that a + b + c = 0, then the value of a.b + b.c + c.a is

(a) 1
(b) 3
(c) −3/2
(d) None of these

(a) 5 : 3
(b) 3 : 2
(c) 2 : 1
(d) 1 : 3

(a) [0, 8]
(b) [-12, 8]
(c) [0, 12]
(d) [8, 12]

(a) 47
(b) 25
(c) 50
(d) -25

(a) 0
(b) -7
(c) 7
(d) 1

## Q.21 The vectors (x, x + 1, x + 2), (x + 3, x + 4, x + 5) and (x + 6, x + 7, x + 8) are coplanar for

(a) all values of x
(b) x < 0
(c) x ≤ 0
(d) None of these

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