CUET Mathematics - If a = i - 2j + 3k and b = i + 2j + k, then which of the following statements are correct? (A) a and b are perpendicular to each other. (B) a and b are parallel. (C) |axb| = 2sqrt(21). (D) Projection of a on b = 0. Choose the correct answer from the options given below: | PYQs + Solutions

CUET Mathematics 2026 30th May Shift 2

Algebra

Easy

core

(B), (C) and (D) only

(A), (C) and (D) only

(A) and (C) only

✅ Correct Option: 3

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19th May Shift 2

Vectors $\vec{a}, \vec{b}, \vec{c}$ are such that $\vec{a} + \vec{b} + \vec{c} = 0$ and $|\vec{a}| = |\vec{b}| = |\vec{c}|$ then, the angle between any two of them, is

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Match List-I with List-II

List-I	List-II
(A) Angle between î and -ĵ is	(I) $\frac{\pi}{6}$
(B) Angle between 2î + k̂ and 10î + 5k̂ is	(II) $\frac{\pi}{4}$
(C) Angle between î and î + ĵ is	(III) 2π
(D) Angle between √3ĵ - k̂ and ĵ is	(IV) $\frac{\pi}{2}$

Choose the correct answer from the options given below:

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The area of triangle with vertices P, Q, R is given by (where $\vec{AB}$ = position vector of point B – position vector of point A)

CUET Mathematics 2026 30th May Shift 2 PYQs

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