Question

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 a natural number and divisor of 6}
(iv) {1, 3, 5, 7, 9} (d) {x: x is a letter of the word MATHEMATICS}​

Answer 1

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(i) Here the elements of this set are natural number as well as divisors of 6.

➡️Hence, (i) matches with (c).

(ii) 2 and 3 are prime numbers which are divisors of 6.

➡️Hence, (ii) matches with (a).

(iii) The elements are the letters of the word MATHEMATICS.

➡️Hence, (iii) matches with (d).

(iv) The elements are odd natural numbers which are less than 10.

➡️Hence, (v) matches with (b).

Answer 2

Answer:

(i) Here the elements of this set are natural number as well as divisors of 6.

➡️Hence, (i) matches with (c).

(ii) 2 and 3 are prime numbers which are divisors of 6.

➡️Hence, (ii) matches with (a).

(iii) The elements are the letters of the word MATHEMATICS.

➡️Hence, (iii) matches with (d).

(iv) The elements are odd natural numbers which are less than 10.

➡️Hence, (v) matches with (b).