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Mathematics Mcqs Online Test 10

Mathematics Mcqs Online Test 10 Preparation Question Answer

If A and B matrices are of same order and A + B = B + A, this law is known as?


distributive law
commutative law
associative law
cramer's law

Correct!

Wrong!

Two lines that make an angle are called?


scalene
rays
segment
vertex

Correct!

Wrong!

Angles that are opposite to each other are called?

vertical angles complementary
angles reflective
angles supplementary
angles

Correct!

Wrong!

We can subtract two matrices A and B if their?


elements are same
order is same
rows are same
columns are same

Correct!

Wrong!

If the sum of two matrices A and B is zero matrix, then A and B are said to be?/


multiplicative inverse of each other
additive inverse of each other
transpose of each other
determinant of each other

Correct!

Wrong!

Vertical angles that are opposite to each other are also?


not equal
opposite
scalene
equal

Correct!

Wrong!

We can add two matrices having real numbers A and B if their?


order is same
rows are same
columns are same
elements are same

Correct!

Wrong!

Sum of all angles around a main point equals to?

360°
180°
270°
90°

Correct!

Wrong!

Nature of the roots depends on the value of b² - 4ac is known as?
discriminant square
root quadratic
formula completing
square method

Correct!

Wrong!

If A, B and C matrices are of same order and (A + B) + C = A + (B + C), this law is known as?


cramer's law
distributive law
commutative law
associative law

Correct!

Wrong!

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