Elitmus
Exam
Numerical Ability
Data Sufficiency
If the relation R: A -> B where A= {1,2,3} and B={1,3,5} is defined by
R={ (x,y) : x < y , x Î A, y Î B }then
(a) R= { ( 1,3), (1,5), (2,3), (2,5), (3,5) }
(b) R= { ( 1,1), (1,5), (2,3), (3,5) }
(c) R-1 = { ( 3,1), (5,1), (3,2), (5,3) }
(d) R-1 = { ( 1,1), (5,1), (3,2), (5,3) }
(e) None of these
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- by verification
a is suitable - 10 years agoHelpfull: Yes(17) No(0)
- a is correct as x
- 10 years agoHelpfull: Yes(2) No(0)
- answer is option (a)...........beacuse 1
- 9 years agoHelpfull: Yes(1) No(0)
- option A is correct
- 9 years agoHelpfull: Yes(1) No(0)
- from r={(x,y):x
- 9 years agoHelpfull: Yes(0) No(0)
- please tell me which book prefre for geometry..
- 7 years agoHelpfull: Yes(0) No(0)
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