10th mathematics exercise questions with answers, Mathematics

Sets – Exercise 1.1 – Class X

Verify the commutative property of union and intersection of sets for the following. A = {l, m, n, o, p, q} B = {m, n, o, r, s, t} Solution: A ∪ B = {l, m, n, o, p, q, r, s, t} B ∪ A = {l, m, n, o, p, q, r, s,… Continue reading Sets – Exercise 1.1 – Class X

10th mathematics exercise questions with answers, Mathematics

Linear equations in two variables- Exercise 3.4-Class 10

Solve the following pair of linear equations by the elimination method and the substitution method: (i) x + y = 5 and 2x – 3y = 4 (ii) 3x + 4y = 10 and 2x – 2y = 2 (iii) 3x – 5y – 4 = 0 and 9x = 2y +  7 (iv) x/2… Continue reading Linear equations in two variables- Exercise 3.4-Class 10