NCERT Exercise 1.1 Q3 - Sets
Question: Write in roster form: (i) {x in Z : -3 <= x < 7}; (ii) {x in N : x < 6}; (iii) two-digit natural numbers with digit sum 8; (iv) prime divisors of 60; (v) letters of TRIGONOMETRY; (vi) letters of BETTER.
Answer: (i) {-3, -2, -1, 0, 1, 2, 3, 4, 5, 6}; (ii) {1, 2, 3, 4, 5}; (iii) {17, 26, 35, 44, 53, 62, 71, 80}; (iv) {2, 3, 5}; (v) {T, R, I, G, O, N, M, E, Y}; (vi) {B, E, T, R}.
Full step-by-step NCERT solution with diagrams on Something by Zero.