Ünite Sınavı Soruları

What is the product ?

Which one of these is the maximum : 2 / 5, 1 / 4, 3 / 8, 3 / 10, 7 / 16 ?

1. A ∩ B = {2, 3}
2. A ∪ B = {1, 2, 2, 3, 3, 5, 8, 10, 11}
3. A \ B = {1, 5, 8}
4. B \ A = {10, 11}

If A = {1, 2, 3, 5, 8} and B = {2, 3, 10, 11}, then which of the above are correct?

What is the value of ?

Assume that

A={x| 0<x<20 and x=2k where k is a natural number}

and

B={x| 0<x<20 and x=3k where k is a natural number}.

What is the intersection of A and B?

1. The set of all elements of the sets A and B is called the union of A and B
2. The set of the elements that the set A and the set B have in common is called the intersection of A and B
3. The set of all elements of A which are not in B is called the difference of A and B
4. The difference of U and A is called the complement of U.

Which of the statements above regarding to operations on sets are correct?

Which of the following is the intersection of intervals (-3, 7), and [4, 9)?

Which one of these is an irrational number : 625^1/2, (-64)^1/3, -(25)^1/2, 0, 27^1/2 ?

Which one of these is an irrational number : 49^1/2, -(64)^1/3, -(25)^1/2, 0, 3^1/2 ?

1. a⁰ = 1 for all nonzero numbers a.
2. If a = 0, a⁰ is called power of a.
3. ∞ (infinity) is not a number. It represents an infinitely large quantity.
4. The whole real line is an interval denoted by (–∞, ∞).
5. Powers are used when we multiply a real number by itself repeatedly.

Which of the statements above regarding to numbers are correct?

Given that A={0,1,2,3,a,b}, how many subsets of A contains both letters  ("a" and "b")?

1. Every natural number is an integer. Every integer is a rational number.
2. Every rational number has an infinite number of representations by fractions.
3. Every rational number has a finite periodical representation.
4. There is one-to-one correspondence between the points of the real line and the set of real numbers.

Which of the statements above regarding to the number sets and the real line are correct?

The sets A = {a, b, c, d, e}, B = {b, c, e, f, g}, C = {c, d, f, g} are given. Which of the following is the set {c} ?

A = (-4, 6]  and B = [3, 8)

Find A ∪ B.

A = {2, -3, -4, -5, 6}, B = {1, 3, 5, 7}, C = {1, 2, -2, -3, 3, 5, -5}.

(C \ B) ∩ A = ?

1. Ø
2. {a}
3. {b}
4. {c}
5. {a, b}
6. {a, c}
7. {b, c}
8. {a, b, c}

Let A = {a, b, c}. Which of the above are the subsets of A?

What is the value ?

E = {0, 1, 2, …, 10}, A = {1, 2, 3}, B = {3, 4, 5}. Which one is equal to {4,5}?

1. 325 of them like at least one of these sports.
2. 275 of them like none of these sports.
3. 105 of them like only football.
4. 35 of them like football and basketball but not volleyball.
5. 135 of them like basketball or volleyball but not football.

Which of the statements above are correct according to the case given below?

"600 men are interviewed about which sports they like. It is found that 190 like football, 140 like basketball, 120 like volleyball, 65 like football and basketball, 50 like football and volleyball, 40 like basketball and volleyball, 30 like all three sports."