M Mr. Dubey π Coach β 111.42K Points π Basic Numerical Skills Q. The Value of the determinant 5 6 3 4 is ______ (A) 2 (B) - 2 (C) 38 (D) - 38 ποΈ Show Answer π¬ Discuss π Share β‘Menu β Correct Answer: (A) 2
M Mr. Dubey π Coach β 111.42K Points π Basic Numerical Skills Q. a 0 b −a is = (A) ab (B) 0 (C) a2 (D) b ποΈ Show Answer π¬ Discuss π Share β‘Menu β Correct Answer: (C) a2
M Mr. Dubey π Coach β 111.42K Points π Basic Numerical Skills Q. The Value of determinant a b c d is (A) ad – bc (B) ab – cd (C) bd – ac (D) bc - ad ποΈ Show Answer π¬ Discuss π Share β‘Menu β Correct Answer: (A) ad – bc
M Mr. Dubey π Coach β 111.42K Points π Basic Numerical Skills Q. A set ‘A’ is said to be a subset of a set B if every element of A is (A) Also an element of A (B) Also an element of B (C) Not an element of B (D) Not an element of A ποΈ Show Answer π¬ Discuss π Share β‘Menu β Correct Answer: (B) Also an element of B
M Mr. Dubey π Coach β 111.42K Points π Basic Numerical Skills Q. In the following state whether A=B (A) A= {4,8,12,16} B = {8,4,16,18} (B) A= {x : x is a multiple of 10 } B= {10, 15, 20, 25 ….} (C) A= {a, b, c, d} B = {d, c, b, a} (D) None ποΈ Show Answer π¬ Discuss π Share β‘Menu β Correct Answer: (C) A= {a, b, c, d} B = {d, c, b, a}
M Mr. Dubey π Coach β 111.42K Points π Basic Numerical Skills Q. Which of the following are examples of null set (A) Set of even prime numbers (B) Set of letters in English alphabets (C) Set of odd natural numbers divisible by 2 (D) All the above ποΈ Show Answer π¬ Discuss π Share β‘Menu β Correct Answer: (C) Set of odd natural numbers divisible by 2
M Mr. Dubey π Coach β 111.42K Points π Basic Numerical Skills Q. Two finite sets A and B are said to be equivalent set if cardinality of both sets are (A) Equal (B) Not equal (C) Similar (D) none ποΈ Show Answer π¬ Discuss π Share β‘Menu β Correct Answer: (A) Equal
M Mr. Dubey π Coach β 111.42K Points π Basic Numerical Skills Q. Two set A and B are said to be equal if they have exactly the same elements and we write it (A) A ≠ B (B) A = B (C) A € B (D) None ποΈ Show Answer π¬ Discuss π Share β‘Menu β Correct Answer: (B) A = B
M Mr. Dubey π Coach β 111.42K Points π Basic Numerical Skills Q. A set which is empty (or) consists of a definite number of elements is called (A) Null set (B) Finite set (C) Infinite set (D) None ποΈ Show Answer π¬ Discuss π Share β‘Menu β Correct Answer: (B) Finite set
M Mr. Dubey π Coach β 111.42K Points π Basic Numerical Skills Q. A set with no elements is a (A) Null set (B) Finite set (C) Infinite set (D) None ποΈ Show Answer π¬ Discuss π Share β‘Menu β Correct Answer: (A) Null set