Sets



Question


Question 1 :

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


1. {P,R,I,N,C,A,L}
2. {C,A,P,I,N,R,L}
3. {P,R,I,N,C,I,P,A,L}
4. {L,N,I,P,C,A,R}
Answer
7829

Question 2 :

Write solution set of equation x2-3x+2=0 in roster form.


1. {1,3}
2. {2,4}
3. {1,4}
4. {1,2}
Answer
7830

Question 3 :

Write the set {x : x is an integer and x2-9=0} in roster form.


1. {3,-3}
2. {9,3}
3. {3}
4. {-3}
Answer
7831

Question 4 :

Write the set {x : x is a natural number and x2-9=0} in roster form.


1. {3}
2. {-3}
3. {3,-3}
4. {9,3}
Answer
7832

Question 5 : Let A={1,2,3,4,5}. Insert appropriate symbol in 2 ________ A.
1. =
2. <
3. ∈
4. ∉
Answer
7833

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