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Class 11 · Mathematics
→If A = {m, n} and B = {7, 8, 9}, what is the set of second components in A × B?
Class 11 · Mathematics
→If (A={1,2}), (B={3}) and (C={4,5}), how many elements are in (A\times(B\times C))?
Class 11 · Mathematics
→If A = {-1} and B = [2, 5], which one is A × B?
Class 11 · Mathematics
→If \(A=[0,2]\) and \(B=\{1\}\), what is the geometric representation of \(A\times B\)?
Class 11 · Mathematics
→If A = {1, 2} and B = {2, 3}, how many pairs are in (A × B) ∩ (B × A)?
Class 11 · Mathematics
→If (A={0,1}) and (B={1,2,3}), how many subsets does (A\times B) have?
Class 11 · Mathematics
→If (A={1,2,3}) and (B={4,5}), which subset of (A\times B) is a relation from (A) to (B)?
Class 11 · Mathematics
→If (A={1,2,3}) and (B={4,5}), how many relations are possible from (A) to (B)?
Class 11 · Mathematics
→If (A={r,s,t,u}) and (B={5,6}), how many pairs in (A\times B) have second component (6)?
Class 11 · Mathematics
→If (A={1,2}) and (B={3,4,5}), how many pairs in (A\times B) have first component (2)?
Class 11 · Mathematics
→If (A={2,3,6}) and (B={1,2,3}), how many pairs ((x,y)) in (A\times B) satisfy that (y) divides (x)?
Class 11 · Mathematics
→If \(A=\{1,2,4\}\) and \(B=\{1,2,4,8\}\), how many ordered pairs \((x,y)\) in \(A\times B\) satisfy \(y=2x\)?
Class 11 · Mathematics
→If A={0,1,2,3} and B={1,2,3}, how many ordered pairs (x,y) in A\times B satisfy x+y=4?
Class 11 · Mathematics
→If (A={1,2,3,4}) and (B={2,4,6}), how many pairs ((x,y)) in (A\times B) satisfy (x<y)?
Class 11 · Mathematics
→If (A={p,q}), how many ordered pairs are in (A\times A)?
Class 11 · Mathematics
→If (A={1,2,3}) and (B=\varnothing), what is (B\times A)?
Class 11 · Mathematics
→If (A={x:x\in\mathbb{Z},-2\le x\le1}) and (B={0,2}), how many pairs are in (A\times B)?
Class 11 · Mathematics
→If (A={x:x\in\mathbb{N},x\le4}) and (B={y:y\in\mathbb{N},y<3}), what is (n(A\times B))?
Class 11 · Mathematics
→If (n(A)=3), (n(B)=4) and both (A,B) are non-empty, what is the relation between the numbers of elements in (A\times B) and (B\times A)?
Class 11 · Mathematics
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