Convert the following sets into roster form:
I. A = {x : x is a natural number less than 6}
II. B = {x : x is a prime number less than 25}
III. C = {y : y = x-1, 2 ≤ x ≤ 5}
IV. D = {x :x is a letter in the word “SEPTEMBER”}

Open in App

Solution

i. A = {1, 2, 3, 4, 5}
ii. B = {2, 3, 5, 7, 11, 13, 17, 19, 23}
iii. C = {1/2,1/3,1/4,1/5}
iv. D = {S, E, P, T, M, B, R}

Suggest Corrections

Similar questions

Write the following sets in roster form:

(i) A = {x: x is an integer and –3 < x < 7}.

(ii) B = {x: x is a natural number less than 6}.

(iii) C = {x: x is a two-digit natural number such that the sum of its digits is 8}

(iv) D = {x: x is a prime number which is divisor of 60}.

(v) E = The set of all letters in the word TRIGONOMETRY.

(vi) F = The set of all letters in the word BETTER.

Match each of the set on the left in the roster form with the same set on the right described in set-builder form:

(i) {1, 2, 3, 6}	(a) {x: x is a prime number and a divisor of 6}
(ii) {2, 3}	(b) {x: x is an odd natural number less than 10}
(iii) {M, A,T, H, E, I,C, S}	(c) {x: x is natural number and divisor of 6}
(iv) {1, 3, 5, 7, 9}	(d) {x: x is a letter of the word MATHEMATICS}

A = {x : x is an integer and - 3 < x < 7}

B = {x : x is a natural number less than 6}

C = {x : x is a two-digit natural number such that the sum of its digits is 8}

D = {x : x is a prime number which is divisor of 60}

E =

F =

Join BYJU'S Learning Program