Which of the following are examples of the singleton set?
(i) ` {x:x in Z, x^2=4}`
(ii) `{x:x in Z, x +5 =0}`
(iii) ` {x:x in Z, |x| =1}`
(iv) `{x :x in N, x^2=16}`
(v) `{x:x " is an even prime number "}`

Which of the following are examples of the null set ? (i) Set of odd numbers divisible by 2. (ii) Set of even prime numbers. (iii) A={x:x in N,1 lt x le 2} (iv) B={x:x in N, 2x + 3=4} (v) C={x:x " is prime ", 90 lt x lt 96} (vi) D={x:x in N, x^2+1=0} (vii) E=={x:x in W, x+3 le 3} (viii) F={x:x in Q, 1 lt x lt 2 } (ix) G={0}

Which of the following is a finite set? (i) {x:x=2n, n in N} (ii) {x:x "is a prime number"} (iii) {x:x in N, x "is a factor of 128"} (iv) {x:x in I, x le7}

Which of the following are examples of null set? (i) A={x:x is a vowel in English alphabet } (ii) B = {x:x is an even number, 2lt xlt 4} (iii) C ={x: x in W }

Which of the following are examples of null set? (i) A={x:x is a vowel in English alphabet } (ii) B = {x:x is an even number, 2lt xlt 4} (iii) C ={x: x in W }

State which of the following sets are finite or infinite. (i) {x : x in N and (x-1) (x-2) =0} (ii) {x : x in N and x^(2)=4} (iii) {x : x in N and 2x-2=0} (iv) {x : x in N" is prime"} (v) {x: x in N and" x is odd"}

State which of the following sets are finite or infinite. (i) {x : x in N and (x-1) (x-2) =0} (ii) {x : x in N and x^(2)=4} (iii) {x : x in N and 2x-2=0} (iv) {x : x in N" is prime"} (v) {x: x in N and" x is odd"}

State which of the following sets are finite and which are infinite : (i) A={x:x inNand(x-1)(x-2)=0} (ii) B={x:x inNandx^(2)=4} (iii) C={x:x in N and2x-1=0} (iv) E={x:x in N and x is prime} (v) D={x:x inN and x is odd}.

State which of the following sets are finite or infinite. (i)A={x : x in N and (x-1) (x-2) =0} (ii) B= {x : x in N and x^(2)=4} (iii) C= {x : x in N and 2x-1=0} (iv) D= {x : x in N" is prime"} (v) E= {x: x in N and" x is odd"}

Which of the following is singleton set ? (i) A = {x : x is a letter in English alphabet, comes after Z} (ii) B = {0} (iii) C= {x :x + 4=4} (iv) D={x:x^(2)-4x+4=0} (v) E={x:x in N,6ltxlt9} .

Which of the following is singleton set ? (i) A = {x : x is a letter in English alphabet, comes after Z} (ii) B = {0} (iii) C= {x :x + 4=4} (iv) D={x:x^(2)-4x+4=0} (v) E={x:x in N,6ltxlt9} .