Question

1. The relation '' on the set R of real number is ––––––––––––. (a) reflexive (b) 2. symmetric (c) equivalence (d) none of these
2. A relation R on a set A is –––––––––––– if
whenever aRb and bRc then aRc
(a) reflexive (b) antisymmetric
(c) symmetric (d) transitive
3. The absolute value of    3.33 is
(a) 3.33 (b) –3
(c) 3 (d) 0.33
4. Logarithms to base 2 is called ––––––––––––
logarithms.
(a) base (b) common
(c) natural (d) binary
5. Which of the following is not a proposition?
(a) Paris is in France
(b) London in Denmark
(c) 2 1 1 
(d) Where are you going?
6. A proposition is said to be –––––––––––– if it
cannot be broken down into simplex propositions.
(a) primitive (b) compound
(c) composite(d) connected
7. The number of elements in the mn matrix is
(a) mn (b) m  n
(c) 2m (d) 2 m
8. If A is an m p matrix and B is a pm matrix
then order of AB is
(a) m  p (b) mm
(c) p p (d) none
9. The degree of the vertex is one the its is known as
–––––––––––– vertex
(a) pendent (b) isolated
(c) loop (d) none
10. A cycle-free graph is known as ––––––––––––
(a) connected(b) circuit
(c) path (d) tree

Answer 1

Answer:

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Answer 2

Answer:

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1. The relation '' on the set R of real number is (a) reflexive.
2. A relation R on a set A is (d) transitive if
3. whenever aRb and bRc then aRc.
4. The absolute value of    3.33 is
5. (a) 3.33