10th mathematics exercise questions with answers, Mathematics, Uncategorized

Progressions – Exercise 2.1 – Class X

Which if the following form a sequence? (i) 4, 11, 18, 28…. (ii) 43, 32, 21, 10.... (iii) 27, 19, 40 , 70…. (iv) 7, 21, 63, 189… Solution: (i) 4, 11, 18, 28…. – forms a sequence (ii) 43, 32, 21, 10.... 10, 21, 32, 43…. – forms a sequence (iii) 27, 19, 40… Continue reading Progressions – Exercise 2.1 – Class X