Question

Write the following sets using the Roaster method.

(i) All months in the Indian solar year.

(ii) Letters in the word ‘COMPLEMENT’.

(iii) Set of human sensory organs.

(iv) Set of prime numbers from $1$ to $20$.

(v) Names of continents of the world.

Answer 1

(i) ) $A=\left\{\text{Caitra, Vaisakha, Jyaistha, Asadha, Sravana, Bhadra, Asvina, Kartika, Agrahayana, Pausa, Magha, Phalguna}\right\}$

(ii) $B=\{C,O,M,P,L,E,M,E,N,T\}$

(iii) $C=\left\{\text{Nose Tongue, Skin, Ear, Eyes}\right\}$

(iv) $D=\{2,3,5,7,11,13,17,19\}$

(v) $E=\left\{\text{Asia, Africa, Europe, North America, South America, Australia, Antartica}\right\}$