9th Class Math MCQs
Important Multiple Choice Questions MCQs of 9th Class Math MCQs written by Professor Mr. Adnan Haider Sahab. These notes are very helpful in the preparation of 9th Class Math MCQs for the students of the (9 class) Matriculation and these are according to the paper patterns of all Punjab boards.
Summary and Contents:
Topics which are discussed in the notes are given below:
- Here are the detailed 9th class math mcqs pdf to help you prepare for your exams.
- Important Multiple Choice Questions ( MCQ's ) for Mathematics Class 9 with answers.
- The idea of matrices is given by: (a) John
Napier (b) Al-Khawarzmi (c) Briggs (d) Arthur
Cayley ✔
- Arthur Cayley introduced the"Theory of
Matrices" in: (a) 1854 (b) 1856 (c) 1860 (d) 1858 ✔
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- The order of the matrix
[3 2 5 ]
is: (a) 3 - by - 3 (b) 2 - by - 2 (c) 3 - by - 1 (d) 1 - by - 3 ✔
- Arthur Cayley was a mathematician: (a) Latin (b) Amrican (c) Greek (d) English ✔
- The entries presented in horizontal way in a
matrix are called: (a) Columns (b) Order of
matrix (c) None of
them (d) Rows ✔
- The order of matrix A is: (a) No. of
Rows - by - No. of
Columns (b) No. of
Rows - No.
of Columns (c) No. of
Columns +
No. of rows (d) No. of
Columns -
by - No. of
Rows ✔
- Matrix
A+B
is possible if order of A and B is: (a) B & C
Both B & C (b) Different (c) Unequal (d) Equal ✔
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- Which statement is false for rectangular matrix? (a) m < n (b) m > n (c) m ≠ n (d) m = n ✔
- ( A + B ) + C = A + ( B + C ) is called: (a) Associative
law of
addition ✔ (b) Commutative
law of
addition (c) B & A (d) None of
these
- If A and B are two matrices of same order and
A + B = A = B + A, then:
(a) Both matrices are additive
inverse to each other (b) Matrix A = Matrix B (c) Matrix A is additive identity
of matrix B (d) Matrix B is additive identity
of matrix A ✔
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- For any square matrix A, A + At is: (a) Identity
matrix (b) Symmetric
matrix ✔ (c) Null matrix (d) Skew
Symmetric
- The inverse of identity matrix is: (a) Null matrix (b) Identity
matrix ✔ (c) Negative of
identity
matrix (d) not possible
- The system of linear system equations,
ax + by = m and
cx + dy = n , x = ? (a) an - cm / ad - bc (b) bn - dm / ad - bc (c) -cm -an / ad - bc (d) dm - bn / ad - bc ✔
- What will be the value of x, for two
simultaneous equations
4x - 2y = 8 and
3x + y = - 4? (a) x = - 4 (b) x = 0 (c) x = 9 (d) x = 2
- By Reading mcqs 9th class math explore detailed explanations and examples to enhance your understanding.
- The order of matrix
[ 2 1] is: (a) 2 - by - 1 (b) 2 - by - 2 (c) 1 - by - 2 ✔ (d) 1 - by - 1
- Which is order of a square matrix? (a) 2 - by - 1 (b) 2 - by - 2 ✔ (c) 1 - by - 2 (d) 1 - by - 1
- The ...... are the foundation of mathematics: (a) Symbols (b) Numbers ✔ (c) Alphabets (d) Equality
- { 0 , + - 1 , + - 2 , + - 3 ,... }
is the set of: (a) Real
number (b) Integer (c) Whole
number ✔ (d) Rational
number