State, whether the following set is finite or infinite?

(i) Set of concentric circles in a plane.

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Solution

Given, set of concentric circles in a plane.

We know that infinite concentric circles can be drawn in a plane.

Hence, it is an infinite set.

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Similar questions

Which of the following sets are finite and which are infinite ?

(i) Set of concentric circles in a plane.

(ii) Set of letter of the English Alphabets.

(iii) { $x ϵ N; x > 5$ }

1. State whether the following sets are empty, finite or infinite sets. In case of (non-empty) finite sets, mention the cardinal number.

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