CMAT class11_sets_basics — practice questions
18 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice CMAT class11_sets_basics in the app →Which of the following is a well-defined set in the technical sense used in NCERT Class XI Mathematics?The set A = {x : x is a natural number, 1 < x < 2} isWhich of the following sets is INFINITE?Writing the set {x : x is an integer and −3 ≤ x < 7} in roster form givesThe number of distinct elements of the set A formed by the letters of the word 'LOYAL' isWhich symbol is used to denote 'is an element of' in set notation?Let A = {1, 2, 3, 4, 5, 6}. Which of the following statements is correct?Which of the following pairs of sets is equal?Which of these is an EXAMPLE of the null set?The set-builder form of the set {3, 6, 9, 12} can be written asIf A and B are two sets such that every element of A is in B and every element of B is in A, thenThe number n(S) of distinct elements of the set S formed by the letters of the word 'TRIGONOMETRY' isConsider C = {x : x − 5 = 0} and E = {x : x is an integral positive root of x² − 2x − 15 = 0}. ThenWhich of the following correctly distinguishes set X (letters of 'ALLOY') and set B (letters of 'LOYAL')?Let A = {n : n ∈ ℤ and n² ≤ 4} and B = {x : x ∈ ℝ and x² − 3x + 2 = 0}. ThenWhich of the following statements is INCORRECT?Set A is defined as {x : x is an integer, x² ≤ 4}. Which is the correct roster of A?If A = {x : x is a letter in the word FOLLOW} and B = {y : y is a letter in the word WOLF}, then