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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।

MathematicsIf S = {x : x ∈ N and x < 1}, where N = {1, 2, 3, ...}, what type of set is S?Class 9Number SystemsEasy MathematicsWhich option represents a set equal to R = {1, 4, 9, 16, 25}?Class 9Number SystemsGeneral chapter practiceEasy MathematicsWhich option gives the correct roster form of Q = {x : x ∈ W and x² < 10}, where W = {0, 1, 2, ...}?Class 9Number SystemsGeneral chapter practiceEasy MathematicsLet P = {x : x ∈ N and x is a square root of 16}, where N = {1, 2, 3, ...}. What is P?Class 9Number SystemsGeneral chapter practiceEasy MathematicsLet O = {x : x is a positive factor of 24 and x is odd}. What is O?Class 9Number SystemsEasy MathematicsIf L={x: x is a whole number and x²<5}, what is L?Class 9Number SystemsMedium MathematicsWhich option is the roster form of K={x: x is a natural number and x is a factor of 9}?Class 9Number SystemsEasy MathematicsWhat is the roster form of J={x: x is an even prime number less than 10}?Class 9Number SystemsEasy MathematicsIf I={2,3,4}, which option is a subset of I?Class 9Number SystemsGeneral chapter practiceMedium MathematicsIf G={1,2} and H={1,2,3}, which statement is correct?Class 9Number SystemsGeneral chapter practiceMedium MathematicsIf F={x: x is a letter occurring in ALGEBRA}, what is its correct roster form?Class 9Number SystemsGeneral chapter practiceEasy MathematicsWhich option is the roster form of E={x: x is a prime digit}?Class 9Number SystemsGeneral chapter practiceEasy MathematicsIf D is the set of month names having 30 days, what kind of set is D?Class 9Number SystemsGeneral chapter practiceEasy MathematicsChoose the roster form of C={x: x is a negative integer and x≥−3}.Class 9Number SystemsGeneral chapter practiceEasy MathematicsWhich option can be the correct set-builder form of B={0,2,4,6}?Class 9Number SystemsGeneral chapter practiceMedium MathematicsIf A={x: x is a natural number and 2≤x≤6}, how many elements are in A?Class 9Number SystemsGeneral chapter practiceEasy MathematicsWhich option is the roster form of Z={x: x is a positive factor of 18}?Class 9Number SystemsGeneral chapter practiceEasy MathematicsIf Y={3,3,5,7,7,7}, what is n(Y)?Class 9Number SystemsGeneral chapter practiceEasy MathematicsIf X={1,2,3,4}, what is n(X)?Class 9Number SystemsEasy MathematicsWhich element is in W={x: x is a natural number and x+4=9}?Class 9Number SystemsEasy