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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।

MathematicsIf \(A=\{1,2,3,4\}\) and \(B=\{1,3,5,7\}\), how many ordered pairs \((x,y)\) in \(A\times B\) satisfy \(y=2x-1\)?Class 12Relations and FunctionsMedium MathematicsIf an operation on (A={1,2,3}) is defined by (a*b=a), what is the value of (2*3)?Class 12Relations and FunctionsBinary operationsEasy MathematicsIf (a,b\in A) implies (a*b\in A), which property does this show?Class 12Relations and FunctionsBinary operationsEasy MathematicsIs the function (f:\mathbb{Z}\to\mathbb{Z}), where (f(n)=2n+1), onto or not?Class 12Relations and FunctionsReflexive relationExpert MathematicsIf (f:\mathbb{Z}\to{0,1,2}) is defined such that (f(n)) is the remainder when (n) is divided by (3), what type of function is (f)?Class 12Relations and FunctionsOnto functionMedium MathematicsIf (f:\mathbb{R}\to[-1,1]), (f(x)=\frac{x}{\sqrt{1+x^2}}), why is it not onto?Class 12Relations and FunctionsOnto functionMedium MathematicsIf (f:\mathbb{R}\to(-1,1)), (f(x)=\frac{x}{\sqrt{1+x^2}}), choose the correct option.Class 12Relations and FunctionsOnto functionMedium MathematicsIf (f:[-1,1]\to[0,2]), (f(x)=x^2), why is (f) not onto?Class 12Relations and FunctionsOnto functionMedium MathematicsIf (f:[-1,1]\to[0,1]), (f(x)=x^2), which statement is correct?Class 12Relations and FunctionsOnto functionMedium MathematicsIf (f:\mathbb{R}\to\mathbb{R}), (f(x)=x^3+x^2+x), is (f) onto?Class 12Relations and FunctionsOnto functionMedium MathematicsIf (f:\mathbb{R}\to[0,1)), (f(x)=\frac{x^2}{1+x^2}), which statement is correct about (f)?Class 12Relations and FunctionsOnto functionMedium MathematicsIf (f:\mathbb{R}\to[0,1]), (f(x)=\frac{x^2}{1+x^2}), then (f) is not onto becauseClass 12Relations and FunctionsOnto functionMedium MathematicsIf (f:\mathbb{R}\to(1,\infty)), (f(x)=e^x+1), choose the correct statement.Class 12Relations and FunctionsOnto functionMedium MathematicsIf (f:\mathbb{N}\to{1,3,5,\ldots}), (f(n)=2n-1), what type of function is (f)?Class 12Relations and FunctionsOnto functionMedium MathematicsIf (f:\mathbb{N}\to\mathbb{N}), (f(n)=2n-1), then (f) is not onto becauseClass 12Relations and FunctionsOnto functionMedium MathematicsIf (f:\mathbb{Z}\to2\mathbb{Z}), (f(n)=2n), where (2\mathbb{Z}) is the set of even integers, choose the correct option.Class 12Relations and FunctionsOnto functionMedium MathematicsIf (f:\mathbb{R}\to\mathbb{R}), (f(x)=x^3+3x), what is the correct statement for (f)?Class 12Relations and FunctionsOnto functionMedium MathematicsIf (f:\mathbb{R}\to\mathbb{R}), (f(x)=x^2-4x+5), then (f) is not onto becauseClass 12Relations and FunctionsOnto functionMedium MathematicsIf (f:[4,\infty)\to[1,\infty)), (f(x)=|x-4|+1), choose the correct option.Class 12Relations and FunctionsOnto functionMedium MathematicsIf (f:\mathbb{R}\to[1,\infty)), (f(x)=|x-4|+1), which statement is correct about (f)?Class 12Relations and FunctionsOnto functionMedium