0

1

The number of reflexive relations on the set of letters of the word "GOPI" is ______.

**A**

**B**

**C**

**D**

0

1

Let R = {(a, a)} be a relation on A, then R is________.

**A**

**B**

**C**

**D**

0

1

If A = {1, 2, 3, 4},and R = {(2, 2), (3, 3), (4, 4), (1, 2)} be a relation on A, then R is_______.

**A**

**B**

**C**

**D**

0

1

If R = R^{-1} then number of elements in R must be______

**A**

**B**

**C**

**D**

0

1

If R is a relation on the set Z of the integers and it is given by (x,y)\in R\Leftrightarrow|x_y|\leq1(x, y), then R is_______ relation on Z.

**A**

**B**

**C**

**D**

0

1

The relation R defined on A = {1, 2, 3, 4, 5} by R = (a, b) : |a^2 - b^2| < 16 is given by______

**A**

**B**

**C**

**D**

0

1

If A={(x,y,z)},B={ (a,b,c,d)} , then the number of relations from AxB to BxA is______

**A**

**B**

**C**

**D**

0

1

If A={(1,x),(2,y)}, B={x,y,z} , then the number of relations from AxB to BxB is______

**A**

**B**

**C**

**D**

by Ten Point Academy