1
WB JEE 2023
MCQ (Single Correct Answer)
+2
-0.5
Let $$\rho$$ be a relation defined on set of natural numbers N, as $$\rho = \{ (x,y) \in N \times N:2x + y = 4\} $$. Then domain A and range B are
2
WB JEE 2022
MCQ (Single Correct Answer)
+1
-0.25
A is a set containing n elements. P and Q are two subsets of A. Then the number of ways of choosing P and Q so that P $$\cap$$ Q = $$\varphi $$ is
3
WB JEE 2022
MCQ (Single Correct Answer)
+1
-0.25
Let S, T, U be three non-void sets and f : S $$\to$$ T, g : T $$\to$$ U and composed mapping g . f : S $$\to$$ U be defined. Let g . f be injective mapping. Then
4
WB JEE 2022
MCQ (Single Correct Answer)
+1
-0.25
For the mapping $$f:R - \{ 1\} \to R - \{ 2\} $$, given by $$f(x) = {{2x} \over {x - 1}}$$, which of the following is correct?
Questions Asked from Sets and Relations (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
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