Question

Write the following sets using rule method. 

i. A = {1, 4, 9, 16, 25, 36, 49, 64, 81, 100} 

ii. B= {6, 12, 18,24, 30,36,42,48} 

iii. C = {S, M, I, L, E} 

iv. D = {Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday} 

v. X = {a, e, t}

Answer 1

i. A = {x | x = n² , n e N, n < 10} 

ii. B = {x | x = 6n, n e N, n < 9} 

iii. C = {y | y is a letter of the word ‘SMILE’} [Other possible words: ‘SLIME’ , ‘MILES’ , ‘MISSILE’ etc.] 

iv. D = {z | z is a day of the week} 

v. X = {y | y is a letter of the word ‘eat’} [Other possible words: ‘tea’ or ‘ate’]