Questions


January 2022 0 6 Report
Which of the following is not well defined? A. Great artist in the Philippines 2.

3.

C. Days of a week

B. List of the 10 students in your section D. Even numbers greater than 10 Which of the following is an example of an empty set.

A. The set of odd numbers that are prime numbers. B. The set of natural numbers less than 1.

C. The set of even numbers divisible by 3.

D. The set of vowels in the word " ABILITY".

Which symbols completes the statement correctly?

A E

B. n

{a}. C. Ø

{a,b,c}

D. C

4. Describe set D in words: D= [1,3,5,7,9)

A Set of odd numbers less than 9. C. Set of odd numbers from 1 to 9. B. Set of prime numbers less than 11. D. Set of whole numbers less than

5. Consider set A=(x/x is a consonant in the word " EXCELLENCE") .Find n(A).

A n(A) = 5 6. Write the set of prime

B. n(A) = 6 number

C. n(A)= 4

D. n(A)=7

equal to 23 using roster method. A (2,3,5,7,9, 11, 13, 15, 17, 19) C. (2,3, 5, 7, 11, 13, 17, 19, 23)

less than or

B. (1, 2, 3, 5, 7, 11, 13, 17, 19, 23} D. (1,2, 3, 5, 7, 11, 13, 17, 19, 23}

7. Consider U=(b, c, d, e, f, g, h, i), A=(c, e, g. h). Find A' C. A={j.k, 1... x,y,z)

A A={b, d, f, h) B. A'= (b, d, f,i)

8. Which of the following is true?

A 3€ (2,4,6,8) B. 1E (x/x is a prime number)

For items 9-15

C. (a) € (a,b,c) D. (0) E (x/x is a whole number}

Let U=(4, 5, 6, 7, 8, 9, 10, 11, 12, 13). A=(4, 6, 8, 10), B=(5, 8, 9, 10), C=(5,6,8,9,11,12}

Find:

9. C

D. A = {}

A C'={7, 10)

B. C'{4, 7, 10, 13}

C. C=(5, 7, 9, 11, 12, 13) D. C'=()​

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