Question

3. Which of the following is a singleton set?
(A) P= {x|r² = 49, XEI)
(B) Q = {y|y2 + 5 = 2y2 + 4, y el)
(C) R = {m\m el, m= 27}
(D) S = {n|n2 – 25 = 0​

Answer 1

Answer:

Option C is a singleton set as it contains just one element.

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