Mathematics FA Part 1 Online Test With Answers

Mathematics FA Part 1 Online Test

Sr. # Questions Answers Choice
1 diagonal matrix
2 None
3 The additive inverse of a matrix A is: A A<sup>-1</sup> - A A<sup>2</sup>
4 5 -5 -4 4
5 1 -1 -6 6
6 diagonal matrix
7 If A is a matrix of order m × n, then the number of elements in each row of A is: m n m + n m - n
8 [0] is a:
9
10
11
12 A matrix of order m×1 is called: row matrix column matrix identity matrix scalar matrix
13 3×3 3×2 2×1 2×3
14 The order of a matrix is shown by: number of columns + number of rows number of rows × number of columns number of columns - number of rows
15 2 4 6 8
16 If (x - 2, 2) = (3, 2), then: x = 5 x = 2 x = -5 x = 3
17 The identity element in a group is: unique inifinite both a and b not possible
18 Inverse of an element in a group is: infinite finite unique not possible
19 A groupoid (S) is called __________ if it is associative in S: group abelian-group semi-group associative-group
20 The ordered pairs (4, 5) and (5, 4) are: same different both a and b N
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