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Class 9 · Mathematics · Easy
→Which collection is a well-defined set?
Class 9 · Mathematics · Easy
→If C = {x : x ∈ Z and -4 ≤ x ≤ 1}, what is n(C)?
Class 9 · Mathematics · Medium
→Which is the correct set-builder form for B = {0, 3, 6, 9, 12}?
Class 9 · Mathematics · Easy
→If A = {x : x ∈ N and 3 ≤ x < 9}, which is the roster form of A?
Class 12 · Mathematics · Easy
→If (A={1,2,3}) and (B={a,b,c}), how many one-one functions are there from (A) to (B)?
Class 12 · Mathematics · Easy
→If (A) has (2) elements and (B) has (4) elements, how many functions are there from (A) to (B)?
Class 12 · Mathematics · Easy
→If (A={1,2}) and (B={3,4,5}), how many functions are possible from (A) to (B)?
Class 12 · Mathematics · Easy
→Which of the following sets is not a function?
Class 9 · Mathematics · Easy
→Let W = {x : x ∈ N and x is less than the smallest two-digit number}. What is its roster form?
Class 9 · Mathematics · Easy
→If V = {x : x ∈ Z and |x| < 3}, what is V?
Class 9 · Mathematics · Easy
→Which statement about U = {x : x is an English word with four letters} is correct?
Class 9 · Mathematics · Easy
→Which option correctly gives T = {x : x ∈ N, x < 10 and x is divisible by 3}?
Class 9 · Mathematics · Easy
→If S = {x : x ∈ N and x < 1}, where N = {1, 2, 3, ...}, what type of set is S?
Class 9 · Mathematics · Easy
→Which option represents a set equal to R = {1, 4, 9, 16, 25}?
Class 9 · Mathematics · Easy
→Which option gives the correct roster form of Q = {x : x ∈ W and x² < 10}, where W = {0, 1, 2, ...}?
Class 9 · Mathematics · Easy
→Let P = {x : x ∈ N and x is a square root of 16}, where N = {1, 2, 3, ...}. What is P?
Class 9 · Mathematics · Easy
→Let O = {x : x is a positive factor of 24 and x is odd}. What is O?
Class 9 · Mathematics · Easy
→Which of the following sets is infinite?
Class 9 · Mathematics · Easy
→Which option gives the correct roster form of N = {x : x ∈ Z and x² ≤ 4}?
Class 9 · Mathematics · Easy
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