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If A = {(a, b, c, l, m, n}, then the max...

If A = {(a, b, c, l, m, n}, then the maximum number of elements in any relation on A, is

A

12

B

16

C

32

D

36

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The correct Answer is:
To find the maximum number of elements in any relation on the set A, we can follow these steps: ### Step-by-Step Solution: 1. **Identify the Set A**: We have the set A = {a, b, c, l, m, n}. 2. **Count the Number of Elements in A**: The number of elements in set A, denoted as n, is 6 because there are six distinct elements: a, b, c, l, m, and n. 3. **Understand the Concept of Relations**: A relation on a set A is a subset of the Cartesian product A × A. The Cartesian product A × A consists of all possible ordered pairs (x, y) where x and y are elements of A. 4. **Calculate the Size of the Cartesian Product A × A**: The size of the Cartesian product A × A is given by n × n, which is 6 × 6 = 36. This means there are 36 possible ordered pairs. 5. **Determine the Maximum Number of Elements in a Relation**: The maximum number of elements in any relation on set A is equal to the total number of ordered pairs in A × A. Therefore, the maximum number of elements in any relation on A is 36. ### Final Answer: The maximum number of elements in any relation on A is **36**. ---
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OBJECTIVE RD SHARMA ENGLISH-CARTESIAN PRODUCT OF SETS AND RELATIONS -Chapter Test
  1. If n(AxxB)=45, then n (A) cannot be

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  2. Set builder form of the relation R={(-2, -7),(-1, -4),(0,-1),(1,2),...

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  3. If A = {(a, b, c, l, m, n}, then the maximum number of elements in any...

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  4. If A={1, 2, 3}, then the relation R={(1,1),(2,2),(3,1),(1,3)}, is

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  5. If relation R is defined as: aRb if ''a is the father of b''. Then, R ...

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  6. If R={(a,b): |a+b|=a+b} is a relation defined on a set {-1, 0, 1}, the...

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  7. A relation between two persons is defined as follows: aRb iff a and bo...

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  8. Which of the following is an equivalence relation?

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  9. Consider the following statements: (i) Every reflexive relation is ...

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  10. Let A be a set of compartments in a train. Then the relation R defined...

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  11. If a set has 13 elements and R is a reflexive relation on A with n ele...

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  12. The relation 'is not equal to' is defined on R, is

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

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

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  15. If R = {(a,b) : a+b=4} is a relation on N, then R is

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

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

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

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

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

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