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Vector Algebra PYQs - Last 10 Years

JEE Main / Mathematics / Algebra / 238 recent questions

MathematicsAlgebra2017-2026

Practice 238 JEE Main Mathematics questions from Vector Algebra. Use the year-wise and type-wise breakdown to prioritize recent PYQs, then continue into the question list below.

238
PYQs on Page
Mathematics / Algebra
2017-2026
Year Range
Based on indexed question metadata
161
Last 5 Years
2022-2026
238
Last 10 Years
2017-2026

Recent Year Trend

2021
2022
2023
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2026Latest year
202148 max PYQs/year2026

Question Types

238PYQs
MCQ76.5%
INTEGER23.5%

Difficulty Mix

#1 Medium203
#2 Hard21
#3 Easy14
161 in last 5 years238 in last 10 years

Last 10 Years Vector Algebra Questions

Showing 38 of 238 filtered questions.

1Vector Algebra
Let \(\overrightarrow a\), \(\overrightarrow b\) and \(\overrightarrow c\) be three vectors such that \(\left| {\overrightarrow a } \right| = \sqrt 3\),
$$\left| {\overrightarrow b } \right| = 5,\overrightarrow b .\overrightarrow c = 1...
INTEGER+4 / -02020
2Vector Algebra
Let the volume of a parallelopiped whose
coterminous edges are given by
\(\overrightarrow u = \widehat i + \widehat j + \lambda \widehat k\), \(\overrightarrow v = \widehat i + \widehat j + 3\widehat k\) and
$$\overrightarrow w = 2\wideh...
MCQ+4 / -12020
3Vector Algebra
Let \(\overrightarrow a = \widehat i - 2\widehat j + \widehat k\) and \(\overrightarrow b = \widehat i - \widehat j + \widehat k\) be two
vectors. If \(\overrightarrow c\) is a vector such that $$\overrightarrow b \times \overrightarrow...
MCQ+4 / -12020
4Vector Algebra
A vector \(\overrightarrow a = \alpha \widehat i + 2\widehat j + \beta \widehat k\left( {\alpha ,\beta \in R} \right)\) lies in the plane of the vectors, \(\overrightarrow b = \widehat i + \widehat j\) and $$\overrightarrow c = \wideha...
MCQ+4 / -12020
5Vector Algebra
Let \(\overrightarrow a\)
, \(\overrightarrow b\)
and \(\overrightarrow c\)
be three unit vectors such that
\(\overrightarrow a + \vec b + \overrightarrow c = \overrightarrow 0\). If $$\lambda = \overrightarrow a .\vec b + \vec b.\...
MCQ+4 / -12020
6Vector Algebra
If \(\overrightarrow a\)
and \(\overrightarrow b\)
are unit vectors, then the greatest value of
\(\sqrt 3 \left| {\overrightarrow a + \overrightarrow b } \right| + \left| {\overrightarrow a - \overrightarrow b } \right|\) is_____.
INTEGER+4 / -02020
7Vector Algebra
If \(\overrightarrow x\) and \(\overrightarrow y\) be two non-zero vectors such that
\(\left| {\overrightarrow x + \overrightarrow y } \right| = \left| {\overrightarrow x } \right|\) and $${2\overrightarrow x + \lambda \overrightarrow y...
INTEGER+4 / -02020
8Vector Algebra
If the volume of a parallelopiped, whose coterminus edges are given by the vectors \(\overrightarrow a = \widehat i + \widehat j + n\widehat k\), \(\overrightarrow b = 2\widehat i + 4\widehat j - n\widehat k\) and $$\overrightarrow c = ...
MCQ+4 / -12020
9Vector Algebra
Let the vectors \(\overrightarrow a\), \(\overrightarrow b\), \(\overrightarrow c\)
be such that
\(\left| {\overrightarrow a } \right| = 2\), \(\left| {\overrightarrow b } \right| = 4\)
and \(\left| {\overrightarrow c } \right| = 4\). ...
INTEGER+4 / -02020
10Vector Algebra
Let x0 be the point of Local maxima of \(f(x) = \overrightarrow a .\left( {\overrightarrow b \times \overrightarrow c } \right)\), where \(\overrightarrow a = x\widehat i - 2\widehat j + 3\widehat k\), $$\overrightarrow b = - 2\widehat ...
MCQ+4 / -12020
11Vector Algebra
If \(\overrightarrow a = 2\widehat i + \widehat j + 2\widehat k\), then the value of
$${\left| {\widehat i \times \left( {\overrightarrow a \times \widehat i} \right)} \right|^2} + {\left| {\widehat j \times \left( {\overrightarrow a \t...
INTEGER+4 / -02020
12Vector Algebra
The lines
\(\overrightarrow r = \left( {\widehat i - \widehat j} \right) + l\left( {2\widehat i + \widehat k} \right)\) and
$$\overrightarrow r = \left( {2\widehat i - \widehat j} \right) + m\left( {\widehat i + \widehat j + \widehat k} ...
MCQ+4 / -12020
13Vector Algebra
Let a, b c \(\in\) R be such that a2
+ b2
+ c2
= 1. If \(a\cos \theta = b\cos \left( {\theta + {{2\pi } \over 3}} \right) = c\cos \left( {\theta + {{4\pi } \over 3}} \right)\),
where
\({\theta = {\pi \over 9}}\), then the angle be...
MCQ+4 / -12020
14Vector Algebra
Let \(\overrightarrow a\), \(\overrightarrow b\) and \(\overrightarrow c\) be three unit vectors such that
\({\left| {\overrightarrow a - \overrightarrow b } \right|^2}\) + $${\left| {\overrightarrow a - \overrightarrow c } \right|^2}$...
INTEGER+4 / -02020
15Vector Algebra
Let the position vectors of points 'A' and 'B' be
\(\widehat i + \widehat j + \widehat k\) and \(2\widehat i + \widehat j + 3\widehat k\), respectively. A point
'P' divides the line segment AB internally in the
ratio
\(\lambda\) : 1 (
$$\l...
INTEGER+4 / -02020
16Vector Algebra
Let \(\overrightarrow a\) = \(\widehat i - \widehat j\), \(\overrightarrow b\) = \(\widehat i + \widehat j + \widehat k\) and \(\overrightarrow c\)
be a vector such that \(\overrightarrow a\) × \(\overrightarrow c\) + $$\overrightarro...
MCQ+4 / -12019
17Vector Algebra
Let  \(\overrightarrow a = \widehat i + \widehat j + \sqrt 2 \widehat k,\)   \(\overrightarrow b = {b_1}\widehat i + {b_2}\widehat j + \sqrt 2 \widehat k\),    \(\overrightarrow c = 5\widehat i + \widehat j + \sqrt 2 \widehat k\)   be th...
MCQ+4 / -12019
18Vector Algebra
Let \(\overrightarrow \alpha = 3\widehat i + \widehat j\) and \(\overrightarrow \beta = 2\widehat i - \widehat j + 3 \widehat k\)
. If \(\overrightarrow \beta = {\overrightarrow \beta _1} - \overrightarrow {{\beta _2}}\),
where $${\...
MCQ+4 / -12019
19Vector Algebra
If a unit vector \(\overrightarrow a\) makes angles \(\pi\)/3 with \(\widehat i\) , \(\pi\)/ 4
with \(\widehat j\) and \(\theta\)\(\in\)(0, \(\pi\)) with \(\widehat k\), then a value of \(\theta\)
is :-
MCQ+4 / -12019
20Vector Algebra
Let \(\mathop a\limits^ \to = 3\mathop i\limits^ \wedge + 2\mathop j\limits^ \wedge + x\mathop k\limits^ \wedge\) and \(\mathop b\limits^ \to = \mathop i\limits^ \wedge - \mathop j\limits^ \wedge + \mathop k\limits^ \wedge\)...
MCQ+4 / -12019
21Vector Algebra
The sum of the distinct real values of \(\mu\), for which the vectors, \(\mu \widehat i + \widehat j + \widehat k,\)   \(\widehat i + \mu \widehat j + \widehat k,\)   \(\widehat i + \widehat j + \mu \widehat k\)  are co-planar, is :
MCQ+4 / -12019
22Vector Algebra
Let \(\overrightarrow a\), \(\overrightarrow b\) and \(\overrightarrow c\) be three unit vectors, out of which vectors \(\overrightarrow b\) and \(\overrightarrow c\) are non-parallel. If \(\alpha\) and \(\beta\) are the angles whic...
MCQ+4 / -12019
23Vector Algebra
Let \(\overrightarrow a = 3\widehat i + 2\widehat j + 2\widehat k\) and \(\overrightarrow b = \widehat i + 2\widehat j - 2\widehat k\) be two vectors. If a vector perpendicular to both the vectors
$$\overrightarrow a + \overrightarrow b ...
MCQ+4 / -12019
24Vector Algebra
If the volume of parallelopiped formed by the vectors \(\widehat i + \lambda \widehat j + \widehat k\), \(\widehat j + \lambda \widehat k\) and \(\lambda \widehat i + \widehat k\) is minimum, then \(\lambda\) is
equal to :
MCQ+4 / -12019
25Vector Algebra
Let \(\alpha\) \(\in\) R and the three vectors \(\overrightarrow a = \alpha \widehat i + \widehat j + 3\widehat k\), \(\overrightarrow b = 2\widehat i + \widehat j - \alpha \widehat k\) and $$\overrightarrow c = \alpha \widehat i - 2\...
MCQ+4 / -12019
26Vector Algebra
Let  \(\overrightarrow a = \widehat i + 2\widehat j + 4\widehat k,\) \(\overrightarrow b = \widehat i + \lambda \widehat j + 4\widehat k\) and $$\overrightarrow c = 2\widehat i + 4\widehat j + \left( {{\lambda ^2} - 1} \right)\widehat k$...
MCQ+4 / -12019
27Vector Algebra
Let \(\sqrt 3 \widehat i + \widehat j,\)    \(\widehat i + \sqrt 3 \widehat j\)  and   \(\beta \widehat i + \left( {1 - \beta } \right)\widehat j\) respectively be the position vectors of the points A, B and C with respect to the origin O. ...
MCQ+4 / -12019
28Vector Algebra
Let \(\overrightarrow a = 2\widehat i + {\lambda _1}\widehat j + 3\widehat k,\,\,\)   \(\overrightarrow b = 4\widehat i + \left( {3 - {\lambda _2}} \right)\widehat j + 6\widehat k,\)  and  $$\overrightarrow c = 3\widehat i + 6\widehat j ...
MCQ+4 / -12019
29Vector Algebra
If \(\overrightarrow \alpha\) = \(\left( {\lambda - 2} \right)\overrightarrow a + \overrightarrow b\)  and  \(\overrightarrow \beta = \left( {4\lambda - 2} \right)\overrightarrow a + 3\overrightarrow b\) be two given vectors $$\ov...
MCQ+4 / -12019
30Vector Algebra
Let A (3, 0, –1), B(2, 10, 6) and C(1, 2, 1) be the vertices of a triangle and M be the midpoint of AC. If G
divides BM in the ratio, 2 : 1, then cos (\(\angle\)GOA) (O being the origin) is equal to :
MCQ+4 / -12019
31Vector Algebra
The distance of the point having position vector \(- \widehat i + 2\widehat j + 6\widehat k\)
from the straight line passing through the point
(2, 3, – 4) and parallel to the vector, \(6\widehat i + 3\widehat j - 4\widehat k\) is :
MCQ+4 / -12019
32Vector Algebra
Let \(\overrightarrow a = \widehat i + \widehat j + \widehat k,\overrightarrow c = \widehat j - \widehat k\) and a vector \(\overrightarrow b\) be such that \(\overrightarrow a \times \overrightarrow b = \overrightarrow c\) and $$\ove...
MCQ+4 / -12018
33Vector Algebra
If \(\overrightarrow a ,\,\,\overrightarrow b ,\) and \(\overrightarrow C\) are unit vectors such that \(\overrightarrow a + 2\overrightarrow b + 2\overrightarrow c = \overrightarrow 0 ,\) then $$\left| {\overrightarrow a \times \over...
MCQ+4 / -12018
34Vector Algebra
If the position vectors of the vertices A, B and C of a \(\Delta\) ABC are respectively \(4\widehat i + 7\widehat j + 8\widehat k,\)    \(2\widehat i + 3\widehat j + 4\widehat k,\) and \(2\widehat i + 5\widehat j + 7\widehat k,\) then the ...
MCQ+4 / -12018
35Vector Algebra
Let \(\overrightarrow u\) be a vector coplanar with the vectors \(\overrightarrow a = 2\widehat i + 3\widehat j - \widehat k\) and \(\overrightarrow b = \widehat j + \widehat k\). If \(\overrightarrow u\) is perpendicular to $$\overrigh...
MCQ+4 / -12018
36Vector Algebra
If the vector \(\overrightarrow b = 3\widehat j + 4\widehat k\) is written as the
sum of a vector \(\overrightarrow {{b_1}} ,\) paralel to \(\overrightarrow a = \widehat i + \widehat j\) and a vector \(\overrightarrow {{b_2}} ,\) perpe...
MCQ+4 / -12017
37Vector Algebra
The area (in sq. units) of the parallelogram whose diagonals are along the vectors \(8\widehat i - 6\widehat j\) and \(3\widehat i + 4\widehat j - 12\widehat k,\) is :
MCQ+4 / -12017
38Vector Algebra
Let \(\overrightarrow a = 2\widehat i + \widehat j -2 \widehat k\) and \(\overrightarrow b = \widehat i + \widehat j\).
Let \(\overrightarrow c\) be a vector such that \(\left| {\overrightarrow c - \overrightarrow a } \right| = 3\),
$$\...
MCQ+4 / -12017