Instructions

In the following questions, a question is followed by data in the form of two statements labelled as I and II. You must decide whether the data given in the statements are sufficient to answer the questions.

Question 9

Let L be the set of straight lines in a plane. Is the relation S defined on L a reflexive relation?
(I) $$l_{1}, l_{2} ∈ L$$
(II) $$(l_{1}, l_{2}) ∈ S \leftrightarrow l_{1} \perp l_{2}$$

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TS ICET 1st Oct 2020 Shift-1

Let L be the set of straight lines in a plane. Is the relation S defined on L a reflexive relation?(I) $$l_{1}, l_{2} ∈ L$$(II) $$(l_{1}, l_{2}) ∈ S \leftrightarrow l_{1} \perp l_{2}$$

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Let L be the set of straight lines in a plane. Is the relation S defined on L a reflexive relation?
(I) $$l_{1}, l_{2} ∈ L$$
(II) $$(l_{1}, l_{2}) ∈ S \leftrightarrow l_{1} \perp l_{2}$$