Question

# If A = {5, 7, 9, 11}, B = {9, 10} let a R b means a < b. a âˆˆ A, (a, b) âˆˆ R, b âˆˆ B. Then

A

Co domain of R = {9, 10}

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B

Range of R = {9, 10}

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C

Relation of R = {(5, 9), (5, 10), (7, 9), (7, 10), (9, 10)}

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D

Domain of R = {5, 7, 9}

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Solution

## The correct options are A Co domain of R = {9, 10} B Range of R = {9, 10} C Relation of R = {(5, 9), (5, 10), (7, 9), (7, 10), (9, 10)} D Domain of R = {5, 7, 9} a R b mean a < b Then R = Relation of the function R = {(5, 9), (5, 10), (7, 9), (7, 10), (9, 10)} Domain = {5, 7, 9} → set of first component of all the ordered pair which belong to R Co domain = {9, 10} → set B is called Co domain of Relation R Range = {9, 10} → set of second components of all the ordered pairs which belong to R.

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