Question

Assignment for the day:

Write each of the following sets in Roster (tabular) and also set-Builder form

(i) Set of all natural numbers that can divide 24 completely

(ii) Set of odd numbers between 20 and 35

(iii) Set of names of the first five months of a year.

(iv) Set of letters used in the word 'CALCUTTA’.

Write , in Roster form the set of:

(i) The names of the last three days of a week

(ii) The names of the last four months of a year.​

Answer 1

Step-by-step explanation:

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Answer 2

Answer I

(i) {1, 2, 3, 4, 6, 8, 12, 24}; {x : x is a natural number which divides 24 completely}

(ii) {21, 23, 25, 27, 29, 31, 33}; {x:x is an odd number between 20 and 35}

(iii) {January, February, March,April, May}; {x : x is name of first five months of a year}

(iv) {c, a, 1, u, t}; {x: x is a letter used in the word ‘CALCUTTA’}

Answer II

A={Friday,Saturday,Sunday}

Roster Form for names of the last three days of a week

B={September, October, November, December}

Roster Form for names of the last four months of the year.