Home Maths Matrices and Determinants JEE Main 2021 Two fair dice are thrown. The numbers on the…
Maths Matrices and Determinants JEE Main 2021 Single Correct MCQ
Published on: August 13, 2026

Two fair dice are thrown. The numbers on them are taken as λ and μ, and a system of linear equations

x + y + z = 5

x + 2y + 3z = μ

x + 3y + λz= 1

is constructed. If p is the probability that the system has a unique solution and is the probability that the system has no solution, then :

A
and
B
and
C
and
D
and

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Text Solution

Verified by Experts
The correct answer is:
B

For no solution D = 0 ⇒ λ = 5

Option

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