Question

Q.4: Write the following sets into set builder form.
1
A = 0,1,2,3,...,19;

ii. B={May, June, July​

Answer 1

Answer:

) {x : x is an even natural numbers less than 12}

(ii) {x : x is a prime numbers less than 12}

(iii) {x : x is a month whose name starts with letter J}

(iv) { x : x is a vowel in English alphabets}

(v) {x : x is a day of the week whose name starts with letter T}

(vi) {x : x is a perfect square natural number upto 25}

(vii) {x : x is a natural number upto 30 and divisible by 5}

2. (i) A = {x | x is an odd number less than 10}.

(ii) B = {x | x is a perfect square natural number between 15 and 65}

(iii) C = {x | x is a vowel in English small alphabet}.

(iv) D = {x | x is a color in rainbow}.

(v) E = {x | x is a month having 31 days}.

Answer 2

Step-by-step explanation:

1) A = { x : x = n, n € W and 0 <= x <= 19 }

2) B = { x : x is the month of May June and July }