MTH104 Quiz 1 Set 2

Q1. Which of the following set is unbounded?

1. A = {x : |x| < 4}
2. B = {x : |x| ≤ 3}
3. C = {1,2,3,...}
4. none

Correct answer: C = {1,2,3,...}

Q2. Number of elements in power set of a set {a,b,c} is ________.

1. 3
2. 2
3. none of these
4. 8

Correct answer: 8

Q3. The interval satisfying the inequality |x| < -3 is __________.

1. [-3,3]
2. (-3,3)
3. [-3,3)
4. none

Correct answer: none

Q4. Sets are generally represented by small letters.

1. False
2. True

Correct answer: False

Q5. Suppose A and B are finite disjoint sets. Then n(A ∪ B)=n(A) - n(B).

1. Given statement is false.
2. Given statement is true.

Correct answer: Given statement is false.

Q6. The distance between -2 and 14 on the real line is _________.

1. 15
2. 14
3. 16
4. -16

Correct answer: 16

Q7. A group or collection of well-defined objects is called a set.

1. False
2. True

Correct answer: True

Q8. Two distinct lines cannot contain more than one point in common.

1. Given statement is false.
2. Given statement is true.

Correct answer: Given statement is true.