Q 1: N È {0} = _____. R N W

Q 2: {0,1,2,3,4,5...........} represent the set of ________. Integers Whole numbers Natural numbers

Q 3: The set of rational numbers is represented by the letter _______. R Q W

Q 4: The greater than commulative frequency of a class is 83 and that of the next class is 72, then the frequency of that clas is _____. 12 15 11 13

Q 5: We represent the set of natural numbers by the letter _________. W N Z

Q 6: Commulative frequency distribution are of _____ kinds. four two three

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