12th Standard Syllabus & Materials
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TN 12th Computer Applications வலையமைப்பு வடமிடல் Sample Question Papers Study Material - QB365 Set A
Published on: 04/06/2021
QB365 provides detailed and simple solution for every Book back Questions in class 12 Business Maths Subject. It will helps to get more idea about question pattern in every book back questions with solution.
Download Tamil Nadu 12th Standard Business Maths and Statistics question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Business Maths and Statistics Test
1.
Rank of a null matrix is _______.
0
-1
\(\infty \)
1
2.
Cramer’s rule is applicable only to get an unique solution when _______.
\({ \triangle }_{ z }\neq 0\)
\({ \triangle }_{ x }\neq 0\)
\({ \triangle } \neq 0\)
\({ \triangle }_{ y }\neq 0\)
3.
If \(\left| A \right| \neq 0,\) then A is _______.
non-singular matrix
singular matrix
zero matrix
none of these
4.
If the number of variables in a non-homogeneous system AX = B is n, then the system possesses a unique solution only when _______.
\(\rho (A)=\rho (A,B)>n\)
\(\rho(A)=\rho(A, B)=n\)
\(\rho (A)=\rho (A,B) < n\)
none of these
5.
If \(\rho (A)=\rho (A,B)\) the number of unknowns, then the system is______.
Consistent and has infinitely many solutions
Consistent and has a unique solution
consistent
inconsistent
1.
(a)
0
2.
(c)
\({ \triangle } \neq 0\)
3.
(a)
non-singular matrix
4.
(b)
\(\rho(A)=\rho(A, B)=n\)
5.
(b)
Consistent and has a unique solution
12th Standard Syllabus & Materials
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Tamilnadu Stateboard 12th Standard Subjects
Maths
Chemistry
Physics
Biology
Computer Science
Business Maths and Statistics
Economics
Commerce
Accountancy
History
Computer Applications
Biology
Computer Technology
Computer Applications
Computer Science
Business Maths and Statistics
Commerce
Economics
Maths
Chemistry
Physics
Computer Technology
History
Accountancy
Tamil
English
French
Tamilnadu Stateboard Standards
