Mathematics 10th Class English Medium Unit 5 Online Test With Answers

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Mathematics 10th Class English Medium Unit 5 Online Test

Sr. # Questions Answers Choice
1 If R = {(0,0),(8,2),(10,3),(14,12)}, then Dom R = ___________ {0,8,10,14} {0,2,3,12} {8,10,4} {0,10}
2 If f is a function from A to B, then f is onto function if: Range f≠ A Range f = B Dom f = A Second element of all ordered pairs contained in f is not repeated.
3 If f is a function from A to B, then f is one - one function if: Range f≠ A Range f = B Dom f = A Second element of all ordered pairs contained in f is not repeated.
4 If A has two elements and B has 3 elements, then number of binary relations in A x B is __________ 2 x 3 2<sup>3</sup> 2<sup>6</sup> 2<sup>2</sup>
5 If A= {1,2,3} , B ={4,5} and R+{(1,4),(2,5),(3,4)} then R is __________ One - one function from A to B A function A to A Not a funtion An onto function from A to B
6 U' = ________________ U A A' φ
7 If { x|x=p/q, q≠0,p,q∈Z} then this is a _____________ Set of even numbers Set of rational number Set of irraional numbers Set of integers
8 If A ={0,1,2}, B={2,3,4,5} , then A∪B are: Empty sets Equal sets Overlapping sets Disjoint set
9 If B={1,2,100} and C = {2,100}, then B∩C = ________ {1,2} {1,2,100} {2} {2,1}
10 If R= { (a,2),(b,3),(c,3) }, then Dom R = ________________ {1,2} {1,2,3} {a,b,c} {a,c}
11 the set {0,±1,±2,±3,........} is: Set of natural numbers Set of whole numbers Set of prime numbers Set of integers
12 The relation R = {(1,2),(2,3),(3,3),(3,4)} IS: Not a function Onto function One-One function Into function
13 Point (-1,4) lies in quadrant: I II III IV
14 The Range of R is, if R = {(1,3),(2,2),(3,1),(4,4)}. {1,2,4} {3,2,4} {1,2,3,4} {1,3,4}
15 If R ={(0,2),(2,3),(3,4)} then Dom (R) is: {0,3,4} {0,2,3} {0,2,4} {2,3,4}
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