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If Q={x: x is a natural number and x<1}, what kind of set is Q?

Answer and explanation

Correct answer: Empty set

With natural numbers beginning at 1, the smallest possible natural number is 1. No natural number is strictly less than 1, so no value satisfies the defining condition of Q. A set with no qualifying elements is the empty set, written ∅. It is not a singleton or an infinite set because its cardinality is zero.

Related tags

SetsEmpty-SetNumber SystemsMathematicsClass 9 Mcq

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