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Class 12 Mathematics के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

MathematicsU = {1, 2, 3, ..., 120}; A is the set of numbers divisible by 3, B by 4, and C by 12. Which relation is correct?Class 12SetsEasy MathematicsOn (S={1,2,3,4,6,12}), (a*b=\operatorname{lcm}(a,b)). What is the identity element of this operation?Class 12Relations and FunctionsBinary operationsExpert MathematicsOn (A={1,2,3,6}), (a*b=\operatorname{lcm}(a,b)) is defined. Which element is the inverse of (6), if the identity is (1)?Class 12Relations and FunctionsBinary operationsExpert MathematicsOn positive integers, (a*b=\operatorname{lcm}(a,b)) is defined. What is the identity element of this operation?Class 12Relations and FunctionsBinary operationsExpert MathematicsOn (A={1,2,3,6}), (a*b=\operatorname{lcm}(a,b)). What will be the identity element?Class 12Relations and FunctionsBinary operationsHard MathematicsOn (A={1,2,3,6}), (a*b=\operatorname{lcm}(a,b)). What is the identity element?Class 12Relations and FunctionsBinary operationsExpert MathematicsOn (\mathbb{N}), (a*b=\operatorname{lcm}(a,b)). What is the identity element?Class 12Relations and FunctionsBinary operationsExpert MathematicsOn (A={1,2,4,8}), (a*b=\operatorname{lcm}(a,b)). Which statement is correct?Class 12Relations and FunctionsBinary operationsHard MathematicsOn (\mathbb{N}), (a*b=\operatorname{lcm}(a,b)) is defined. What is the identity element of this operation?Class 12Relations and FunctionsBinary operationsHard MathematicsOn (A={1,2,3,4,6,12}), (a*b) is the least common multiple of (a) and (b). What is the identity element?Class 12Relations and FunctionsBinary operationsMedium MathematicsOn (A={1,2,3,4,5,6}), (aRb) if and only if (\operatorname{lcm}(a,6)=\operatorname{lcm}(b,6)). Which is the equivalence class of (4)?Class 12Relations and FunctionsEquivalence relationExpert MathematicsOn integers, (aRb) holds when (a-b) is divisible by both (6) and (10). This is the same as congruence modulo which number?Class 12Relations and FunctionsEquivalence relationHard MathematicsOn (A={1,2,3,4,6}), (R={(a,b):\operatorname{lcm}(a,b)=6}). What type of relation is it?Class 12Relations and FunctionsSymmetric relationExpert MathematicsOn (A={2,3,4,5,6,8}), (R={(a,b):\operatorname{lcm}(a,b)\text{ is less than }5}). How many pairs must be added to make (R) reflexive?Class 12Relations and FunctionsReflexive relationExpert MathematicsIf (A={2,3,4,5,6,8}) and (R={(a,b):\operatorname{lcm}(a,b)\text{ is less than or equal to }8}), how many diagonal pairs are in (R)?Class 12Relations and FunctionsReflexive relationExpert MathematicsIf (A={2,3,4,5,6}) and (R={(a,b):\operatorname{lcm}(a,b)<6}), how many diagonal pairs are in (R)?Class 12Relations and FunctionsReflexive relationExpert MathematicsOn (A={2,3,4,6,8,12}), (R={(a,b):\operatorname{lcm}(a,b)\leq 12}). Is (R) reflexive?Class 12Relations and FunctionsReflexive relationExpert MathematicsOn (A={1,2,3,4,5,6}), (R={(a,b):\operatorname{lcm}(a,b)=a}). Why is (R) reflexive?Class 12Relations and FunctionsReflexive relationExpert