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Class 10 · Mathematics
→Which statement best describes a finite set?
Class 10 · Mathematics
→Which statement is correct about ∅ and {∅}?
Class 10 · Mathematics
→What type of set is the set of months of a year having 32 days?
Class 10 · Mathematics
→Over the real numbers, what type of set is {x : x ∈ R, x² + 1 = 0}?
Class 10 · Mathematics
→Which statement is correct about the set {x : x ∈ Z, x² = 2}?
Class 10 · Mathematics
→If N = {1, 2, 3, …}, what type of set is {x : x ∈ N, x < 1}?
Class 10 · Mathematics
→Which set is called an empty set?
Class 10 · Mathematics
→If C = {1, 1, 2, 3, 3, 3} and D = {3, 2, 1}, which conclusion is correct?
Class 10 · Mathematics
→Let A = {2, 4, 6, 8} and B = {x : x ∈ ℕ, x is even and x < 10}. Which statement is correct?
Class 10 · Mathematics
→How many elements are there in the set B = {x : x ∈ ℤ, −3 ≤ x ≤ 3}?
Class 12 · Mathematics
→If both (A) and (B) have (4) elements, how many onto functions are there from (A) to (B)?
Class 12 · Mathematics
→Let (A={1,2,3}), (B={a,b,c,d}). Is an onto function from (A) to (B) possible?
Class 12 · Mathematics
→If (|A|=4) and (|B|=2), what is the number of onto functions from (A) to (B)?
Class 12 · Mathematics
→If (|A|=5) and (|B|=3), how many onto functions are there from (A) to (B)?
Class 12 · Mathematics
→If (A={1,2,3}), (B={a,b,c,d}), and (f:A\to B), can (f) be onto?
Class 12 · Mathematics
→If (|A|=3) and (|B|=5), what is the number of onto functions from (A) to (B)?
Class 12 · Mathematics
→If (|A|=4) and (|B|=4), what is the number of onto functions from (A) to (B)?
Class 12 · Mathematics
→For sets (A={1,2,3,4,5}) and (B={a,b,c}), what is the number of onto functions from (A) to (B)?
Class 12 · Mathematics
→A function (f:{1,2,3,4}\to{a,b,c}) is given by (f(1)=a), (f(2)=b), (f(3)=b), (f(4)=c). Choose the correct statement.
Class 12 · Mathematics
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