Which of the following is not a set of letters of word PRINCIPAL?(a) {P,R,I,N,C,A,L}(b) {C,A,P,I,N,R,L}(c) {P,R,I,N,C,I,P,A,L}(d) {L,N,I,P,C,A,R}This question was posed to me during an interview.My doubt is from Sets and their Representations topic in division Sets of Mathematics – Class 11

Which of the following is not a set of letters of word PRINCIPAL?(a) {

1.	Which of the following is not a set of letters of word PRINCIPAL?(a) {P,R,I,N,C,A,L}(b) {C,A,P,I,N,R,L}(c) {P,R,I,N,C,I,P,A,L}(d) {L,N,I,P,C,A,R}This question was posed to me during an interview.My doubt is from Sets and their Representations topic in division Sets of Mathematics – Class 11
Answer» The correct choice is (C) {P,R,I,N,C,I,P,A,L} To explain: A set has all unique ELEMENTS. So the set which contain all the elements of WORD PRINCIPAL and no letter is repeated. Hence, {P,R,I,N,C,I,P,A,L} cannot be a set.

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Which of the following is not a set of letters of word PRINCIPAL?(a) {P,R,I,N,C,A,L}(b) {C,A,P,I,N,R,L}(c) {P,R,I,N,C,I,P,A,L}(d) {L,N,I,P,C,A,R}This question was posed to me during an interview.My doubt is from Sets and their Representations topic in division Sets of Mathematics – Class 11

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