Question

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)  1  1 2
(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 nm matrix is

(a) mn
(b) nm
(c) 2m
(d) 2m

8. If A is an pm matrix and B is a mp matrix then order of AB is

(a) pm
(b) mm
(c) pp
(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:

In physics, a force is any interaction that, when unopposed, will change the motion of an object. A force can cause an object with mass to change its velocity, i.e., to accelerate. Force can also be described intuitively as a push or a pull. A force has both magnitude and direction, making it a vector quantity