Search questions
Choose which content to search, then combine terms with AND or OR.
Class 12 · Mathematics · Hard
→If (A) has (m) elements and (B) has (n) elements, what is the total number of functions from (A) to (B)?
Class 12 · Mathematics · Hard
→If (f:A\to B) is one-one and (A) has (6) elements, what is the minimum number of elements required in (B)?
Class 12 · Mathematics · Hard
→How many one-one functions can be formed from (A={1,2,3}) to (B={p,q,r,s})?
Class 12 · Mathematics · Hard
→How many onto functions can be formed from (A={1,2,3,4}) to (B={a,b})?
Class 12 · Mathematics · Hard
→If (A) has (5) elements and (B) has (3) elements, how many one-one functions are possible from (A) to (B)?
Class 12 · Mathematics · Hard
→If (f:A\to B) is an onto function and (A) has (7) elements while (B) has (5) elements, which statement is definitely true?
Class 12 · Mathematics · Hard
→If (f:A\to B), (A={1,2,3}), and (B={4,5,6,7}), how many one-one functions are there?
Class 12 · Mathematics · Hard
→If (f:A\to B) is onto, (|A|=3), and (|B|=4), which statement is correct?
Class 12 · Mathematics · Hard
→If (A) has (4) elements and (B) has (4) elements, how many functions from (A) to (B) are both one-one and onto?
Class 12 · Mathematics · Hard
→If (f:A\to B) is a one-one function and (|A|=5), (|B|=4), which statement is correct?
Class 12 · Mathematics · Hard
→If (f:A\to B), (A={1,2,3}), and (B={a,b}), how many functions are possible from (A) to (B)?
Class 10 · Mathematics · Medium
→Let A = {x : x ∈ N, x is a real number greater than 2 and less than 3}. What is the correct conclusion about A?
Class 10 · Mathematics · Medium
→If A = {x : x ∈ ℤ and x² − 4x + 4 = 0}, how many elements are in A?
Class 10 · Mathematics · Medium
→Which set is not equal to A = {1, 2, 4, 8}?
Class 10 · Mathematics · Easy
→If A = {x : x ∈ ℕ and x + 5 = 5}, what kind of set is A?
Class 10 · Mathematics · Medium
→Which of the following sets is not infinite?
Class 10 · Mathematics · Medium
→How many elements are in A = {x : x ∈ ℕ, x is a multiple of both 12 and 18 and x < 100}?
Class 10 · Mathematics · Easy
→If A = {a, b, c, d} and B = {d, c, b, a, a}, how are A and B related?
Class 10 · Mathematics · Easy
→If A = {x : x ∈ ℕ, x is greater than 3 and less than 8}, what is the correct form of A?
Class 10 · Mathematics · Medium
→