JEE & NEETJEE Mathematics

JEE Main Maths 100+ MCQ & Answer | Page-04 | JEE & NEET MCQ

31.
If the order of the matrix is m×n, then how many elements will there be in the matrix?

32.
Which of the following is not a type of matrix?

33.
Which of the following condition is incorrect for matrix multiplication?

34.
The addition of matrices is only possible if they are of the same order.

35.
Which of the following conditions holds true for a symmetric matrix?

36.
The number of values of k for which the system of equations (k + 1) x + 8y = 4k, kx + (k + 3) y = 3k − 1 has infinitely many solutions, is _______.

37.
The function f : A → B defined by f(x) = 4x + 7, x ∈ R is

38.
The smallest integer function f(x) = [x] is

39.
The function f : R → R defined by f(x) = 3 – 4x is

40.
The number of binary operations that can be defined on a set of 2 elements is

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