[{"id":179813,"question":"If R = {(0,0),(8,2),(10,3),(14,12)}, then Dom R = ___________","choices":[{"text":"{0,8,10,14}","value":"A"},{"text":"{0,2,3,12}","value":"B"},{"text":"{8,10,4}","value":"C"},{"text":"{0,10}","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":179812,"question":"If f is a function from A to B, then f is onto function if:","choices":[{"text":"Range f≠ A","value":"A"},{"text":"Range f = B","value":"B"},{"text":"Dom f = A","value":"C"},{"text":"Second element of all ordered pairs contained in f is not repeated.","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":179811,"question":"If f is a function from A to B, then f is one - one function if:","choices":[{"text":"Range f≠ A","value":"A"},{"text":"Range f = B","value":"B"},{"text":"Dom f = A","value":"C"},{"text":"Second element of all ordered pairs contained in f is not repeated.","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":179805,"question":"If A has two elements and B has 3 elements, then number of binary relations in A x B is __________","choices":[{"text":"2 x 3","value":"A"},{"text":"2<sup>3</sup>","value":"B"},{"text":"2<sup>6</sup>","value":"C"},{"text":"2<sup>2</sup>","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":179804,"question":"If A= {1,2,3} , B ={4,5} and R+{(1,4),(2,5),(3,4)}   then R is __________","choices":[{"text":"One - one function from A to B","value":"A"},{"text":"A function A to A","value":"B"},{"text":"Not a funtion","value":"C"},{"text":"An onto function from A to B","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":179799,"question":"U' = ________________","choices":[{"text":"U","value":"A"},{"text":"A","value":"B"},{"text":"A'","value":"C"},{"text":"φ","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":179795,"question":"If { x|x=p/q, q<span style=\"color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;\">≠0,p,q</span><span style=\"color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;\">∈Z</span>} then this is a _____________","choices":[{"text":"Set of even numbers","value":"A"},{"text":"Set of rational number","value":"B"},{"text":"Set of irraional numbers","value":"C"},{"text":"Set of integers","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":179790,"question":"If A ={0,1,2}, B={2,3,4,5} , then A<span style=\"color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: small;\">∪B are:</span>","choices":[{"text":"Empty sets","value":"A"},{"text":"Equal sets","value":"B"},{"text":"Overlapping sets","value":"C"},{"text":"Disjoint set","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":179787,"question":"If B={1,2,100} and C = {2,100}, then B<b style=\"color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: small;\">∩</b><span style=\"color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: small;\">C = ________</span>","choices":[{"text":"{1,2}","value":"A"},{"text":"{1,2,100}","value":"B"},{"text":"{2}","value":"C"},{"text":"{2,1}","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":179785,"question":"If R= { (a,2),(b,3),(c,3) }, then Dom R = ________________","choices":[{"text":"{1,2}","value":"A"},{"text":"{1,2,3}","value":"B"},{"text":"{a,b,c}","value":"C"},{"text":"{a,c}","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":179781,"question":"the set {0,<span style=\"color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;\">±<b>1,</b></span><span style=\"color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;\">±2,</span><span style=\"color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;\">±3,........</span>} is:","choices":[{"text":"Set of natural numbers","value":"A"},{"text":"Set of whole numbers","value":"B"},{"text":"Set of prime numbers","value":"C"},{"text":"Set of integers","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":175496,"question":"The relation R = {(1,2),(2,3),(3,3),(3,4)} IS:","choices":[{"text":"Not a function","value":"A"},{"text":"Onto function","value":"B"},{"text":"One-One function","value":"C"},{"text":"Into function","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":175495,"question":"Point (-1,4) lies in quadrant:","choices":[{"text":"I","value":"A"},{"text":"II","value":"B"},{"text":"III","value":"C"},{"text":"IV","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":175494,"question":"The Range of R is, if R = {(1,3),(2,2),(3,1),(4,4)}.","choices":[{"text":"{1,2,4}","value":"A"},{"text":"{3,2,4}","value":"B"},{"text":"{1,2,3,4}","value":"C"},{"text":"{1,3,4}","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":175493,"question":"If R ={(0,2),(2,3),(3,4)} then Dom (R) is:","choices":[{"text":"{0,3,4}","value":"A"},{"text":"{0,2,3}","value":"B"},{"text":"{0,2,4}","value":"C"},{"text":"{2,3,4}","value":"D"},{"value":"E"}],"correctAnswer":2}]