Equivalence Relation

Q.

Is congruent to" on the set of all triangles is an equivalence relation

1. True

2. False

Q. 8x=6(mod 14) find x.

Q. Let R be a relation over the set $N\times n$ and it is defined by (a, b) R (c, d) $\Rightarrow$ a+ d = b + c. Then, R is

1. reflexive only
2. symmetric only
3. transitive only
4. an equivalence relation

Q. The relation " > " on a set of Real numbers is ______.

1. Reflexive
2. Symmetric
3. Transitive
4. Equivalence

Q. If the numbers x-2, 4x-1 and 5x+2 are in AP, find the value of x.