Which of the following sets are equal?
Posted: Wed Jul 13, 2022 8:09 pm
X={x : x is letter of word LIFE}, Y={x : x is letter of the word WIFE}, Z={x : x is letter of the word FILE}
a) X and Y
b) Y and Z
c) X and Z
d) X, Y and Z
a) X and Y
b) Y and Z
c) X and Z
d) X, Y and Z