ECAT Pre General Science Mathematics Chapter 4 Functions & Groups Online Test With Answers

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ECAT Pre General Science Mathematics Chapter 4 Functions & Groups Online Test

Sr. # Questions Answers Choice
1 injuctive as well as surjective both onto and into one - one and into only (1 - 1)
2 Which of the following diagrams represent bijective function?
3 Which of the following represent injuctive function
4 Such a function which is (1 -1) is called surjective injuctive bijective into
5 The identity function is surjective injuctive bijective into
6 If range of a function f is B, then the function is surjective injuctive bijective into
7 Which of the following is surjective
8 If no two elements of ordered pairs of a function from A onto B are the same, then it is called surjective injuctive bijective on to
9 If no two elements of ordred pair of a function from A into B are equal, then it is called surjective injuctive bijective on to
10 A function from A to B is called on-to function, if its range is A B A and B neither A nor B
11 similar images distinct images similar range option a and c
12 Function is a special type of relation ordered pairs cartesian product sets
13 A function f from A to B can be written as
14 arb mean a is related to b b is related to a a is reciprocal of b a is not related to b
15 If the number of elements in set A is n, and in set B is m, then the number of elements in AxB will n<sup>m</sup> m<sup>n</sup> m x n m + n
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18 (a,b) (c,d) if and only if a = b and c =d a = d and b = c a = c and b = d a - b = c - d
19 Which of the following notation defines AxB
20 The set of second elements of the ordered pairs forming a relation is called a Domain range function relation
21 If A is non-empty set, any subset of AxA is called a relation in a A B D r
22 The set of first elements of the ordered pairs forming the relation is called its domain range ordered paris relation
23 The net of cartesian product AxB consists of domain range binary relation ordered pair
24 Let A and B be two non-empty sets, then any subset of the cartesian product AxB is called a function domain range binary relation
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