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Real numbers are denoted by which letter?(a) R(b) W(c) Q(d) NThis question was addressed to me during an internship interview.This interesting question is from Irrational Numbers topic in division Number Systems of Mathematics – Class 9

Answer»

The correct option is (a) R

To explain: As per the CONVENTIONAL notation, IRRATIONAL numbers are denoted by ‘R’.

W, Q and N are USED for Whole numbers, Rational numbers and Natural numbers RESPECTIVELY.



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