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Number Systems

Class 9 Mathematics के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

MathematicsWhat is the standard form of -9/12?Class 9Number SystemsRational numbersEasy MathematicsWhich of the following fractions correctly represents zero \(0\) as a rational number?Class 9Number SystemsRational numbersEasy MathematicsWhat type of number is 3/5?Class 9Number SystemsRational numbersEasy MathematicsA student says that all numbers with a square root sign are irrational. Which of the following examples proves the statement wrong?Class 9Common QuestionsGeneral chapter practiceEasy MathematicsIf S={x:x∈N, x is a multiple of 8 and x<50}, what is its roster form?Class 9Number SystemsEasy MathematicsWhich statement about ∅ and {∅} is correct?Class 9Number SystemsEasy MathematicsIf R={x:x∈N, x+4=4}, what is R?Class 9Number SystemsEasy MathematicsWhich is Q={x:x∈N, x<20, x is divisible by neither 2 nor 3}?Class 9Number SystemsMedium MathematicsIf P={x:x∈Z, -1≤x≤1}, which statement is correct?Class 9Number SystemsEasy MathematicsWhich is the correct set-builder form of {4,8,12,16,20}?Class 9Number SystemsEasy MathematicsIf O={x:x∈N, x≤10, x is divisible by 2 or 5}, what is O?Class 9Number SystemsMedium MathematicsWhich is the roster form of N={x:x∈N, 15<x<25, x is prime}?Class 9Number SystemsEasy MathematicsIf M={x:x∈W, x²<10}, what is M?Class 9Number SystemsEasy MathematicsWhich option correctly describes {2,3,5,7}?Class 9Number SystemsEasy MathematicsWhat is L={x:x∈N, x is a divisor of 36 and x>6}?Class 9Number SystemsEasy MathematicsIf K={x:x∈Z, x³=x}, which set is K?Class 9Number SystemsMedium MathematicsWhich option correctly describes A={a,b,c}?Class 9Number SystemsEasy MathematicsIf J={x:x∈N, x²-10x+21=0}, which is its roster form?Class 9Number SystemsMedium MathematicsIf I={x:x is a two-digit multiple of 11 less than 100}, what is its roster form?Class 9Number SystemsEasy MathematicsHow many elements are there in H={x:x∈Z, -2≤x<3}?Class 9Number SystemsEasy