Which of the following sets are equivalent or unequal or equal sets? (i) A = The set of vowels in the English alphabets. B = The set of all letters in the word “VOWEL” (ii) C = {2,3,4,5) D = {x:x, W, 1< x < 5} E = A={x:x is a letter in the word “LIFE"} F = {F, I, L, E) X = {x: x is a prime number and 3 <x<23} Y = {x:x is a divisor of 18}

Which of the following sets are equivalent or unequal or equal sets?
(i) A = The set of vowels in the English alphabets.
B = The set of all letters in the word “VOWEL” (ii) C = {2,3,4,5)
D = {x:x, W, 1< x < 5} E = A={x:x is a letter in the word “LIFE"} F = {F, I, L, E) X = {x: x is a prime number and 3 <x<23}
Y = {x:x is a divisor of 18}

Gap-fill exercise

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!

(i) = {, , , , }
B= {V, ,W, , L}
The sets A and B contain the number of . :: sets
(ii) C = {,3,,5)
D= {,3,4} :: sets
(iii) X= {L, , F, E}
Y= {F, I, , E}
The sets X and Y the the elements. .. sets.
(iv) G= {, 7, , 13, , 19}
H= {1, , 3, , 9, } :: sets.