Which of the following sets are equal?A = {x: x ∈ N, x < 3}B = {1, – InterviewSolution

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Which of the following sets are equal?A = {x: x ∈ N, x < 3}B = {1, 2}, C= {3, 1}D = {x: x ∈ N, x is odd, x < 5}E = {1, 2, 1, 1}F = {1, 1, 3}

Answer»

A = {1, 2}

B = {1, 2}

C = {3, 1}

D = {1, 3} (Here, the odd natural numbers less than 5 are 1 and 3)

E = {1, 2} (Here, repetition is not allowed)

F = {1, 3} (Here, repetition is not allowed)

∴ Sets A, B and E are equal.

Hence, C, D and F are equal.

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