VSA

Find the number of one-one onto mapping from $A$ to $B$, where $n(A) = 5, n(B) = 6$.

SA

If $A = \{x \mid x \in N, x \le 5\}$, $B = \{x \mid x \in Z, x^2 - 5x + 6 = 0\}$, then find the number of onto functions from $A$ to $B$.

SA

A relation R on set $A=\{1,2,3,4,5\}$ is defined as $R=\{(x,y):|x^{2}-y^{2}|

VSA

Check whether $f : Z \times Z \to Z \times Z$ (where $Z$ is the set of integers) defined as $f(x, y) = (2y, 3x)$ is injective or not. [Delhi 2026]

MCQ_SINGLE

Let A = { (α, β) ∈ R x R : |α - 1| ≤ 4 and |β - 5| ≤ 6} and B = { (α, β) ∈ R × R: 16(α-2)²+9(β-6)² ≤ 144}. Then

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