Question
a £ b means a is less than or equal to b.a $ b means a is greater than or equal to b.a ↑ b means a is less than b.a â— b means a is greater than b.a â–² b means a is equal to b.Statement: a â— b, b â–² c, c ₤ dConclusions: I. d ↑ b II. b â–² d
Answer: Option E
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a £ b means a ≤ ba $ b means a ≥ ba ↑ b means a < ba â— b means a > ba â–² b means a = b
The Statement is (i) a ◠b (ii) b ▲ C(iii) c $ di.e. a > b, b = c and c ≥ d=> a > b = c ≥ dConclusion I: d ↑ b => d < b or b < dcannot be concludedHence, (I) does not follow.Conclusion II: b ▲ d => b =d cannot be concluded.Hence, (II) does not follow.But one of them will always be true.
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