Home Maths Vector Algebra Line Points X and Y are taken on the sides QR and…
Maths Vector Algebra Line Single Correct MCQ
Published on: August 14, 2026

Points X and Y are taken on the sides QR and RS, respectively of a parallelogram PQRS, so that
QX = 4XR and RY = 4YS. The line XY cuts the line PR at Z. Find the ratio PZ : ZR.

A
4 : 21
B
3 : 4
C
21 : 4
D
4 : 3

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Text Solution

Verified by Experts
The correct answer is:
C

PVs of vertex P,Q,R,S are (Let) , , , using section rule PVs of

and again Let and

PVs of point Z may be given as

& also as

Equating both answers and coefficient of &

(they are representing non collinear vectors ) = and =

Solving these equations gives

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