Question

write the roster form of b is equal to {set of natural numbers between 23 to 45 which are divisible by 4}​

Answer 1

Answer:

(i) {1, -2, 3, 4, 6, 8, 12, 24} : {x:x is a natural number which divides 24 completely}

(ii) {21, 23, 25, 27, 29, 31, 33} : {x:x is an odd number between 20 and 35}

(iii) {c, a, 1, u, t} : {x:x is a letter used in the word ‘CALCUTTA’}

(iv) {January, February, March, April, May} : {x:x is name of first five months of a year}

(v) {16, 25, 36, 49, 64, 81} : {x:x is a perfect square two digit number}