(1) Decide which of the following are equal sets and which are not? Justify your answer A={`x|3x-1=2`} B={x|x" is a natural number but "x" is neither prime nor composite } C={`x|x in N,x<2`}

Which of the following are empty sets?Justify. 6. A={x:x in N and 3 lt x lt 4}

Find the union of each of the following Pairs of sets: A= {x:x is a natural number and 1 lt x le 6 } B= {x:x is a natural number and 6 lt x le 10 }

Decide whether set A and B are equal sets. Give reason for your answer. A=Even prime numbers. B={x :7x-1=13} .

Which of the following sets are equal? A={x : x in N ,x<4,},B={1,1,2,3,3},C={1,3},D={x : x is an odd natural number <5}

Consider the following statements: (I) If x and y are composite numbers, then x + y is always composite. (2) There does not exits a natural number which is neither prime nor composite. Which of the above statements is/are correct? (a) 1 only (b) 2 only (c) Both 1 and 2 (d) Neither 1 nor 2

If A is collection of natural numbers which are less than 2 and B={x : x in N, x" is neither prime nor composite"} then A nn B= ________.

Write which of the following statements are true? Justify your answer: The sets A={x:x is a letter of the word LITTLE } are equal.~ is~ a~ letter~ of~ the~ word~ TITLE}~ are~ equal.~

State which of the following sets are finite sets or infinite. In case of finite set, mention the order of cardinal number (i) A=("x:x is a prime number and "x lt 15) (ii) B=(x:x in N, and 3x+2=11) (iii) C=(x:x in N and x^(2)-14x+3=0) (iv) D=(1,2,3,4....)

Which of the following sets are equal ? A={x:x inN,xlt4},B=(1,1,2,3,3},C={1,3},D={x:x is an odd natural number lt5} E={1,2,3},F={1,1,3}