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Let S be a non-empty set of children in ...

Let S be a non-empty set of children in a family and R be a relation on S defined by a R b iff a is a brother of b then R is

A

only reflexive

B

only symmetric

C

only transitive

D

equivalence

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The correct Answer is:
D
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OBJECTIVE RD SHARMA ENGLISH-CARTESIAN PRODUCT OF SETS AND RELATIONS -Chapter Test
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  2. The relation 'is not equal to' is defined on R, is

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  3. Assertion and Reason type questions :Consider the following statements...

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  4. Let X be the set of all engineering colleges in a state of Indian Repu...

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  6. If A is a non-empty set, then which of the following is {:(f,a,l,s,e,?...

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  7. If A = {x, y, z}, then the relation R={(x,x),(y,y),(z,z),(z,x),(z,y...

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  8. Assertion and Reason type questions :Consider the following statements...

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  9. The relation ''is a factor of'' on the set N of all natural number is ...

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  10. The relation R={(1,3),(3,5)} is defined on the set with minimum number...

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  11. If a set A contains n elements, then which of the following cannot be ...

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  12. If A={4, 6, 10, 12} and R is a relation defined on A as ''two elements...

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  14. Let R be a relation defined on S, the set of squares on a chess board ...

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  17. Let A be the set of all animals. A relation R is defined as ''aRb iff ...

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  18. Let S be a non-empty set of children in a family and R be a relation o...

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  19. Let A be the set of all student in a school. A relation R is defined o...

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