Question

6. Without adding, find the sum.
(i) 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15
(ii) 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19 + 21 + 23 + 25 + 27 + 29​

Answer 1

Answer:

1)64

2)225

Step-by-step explanation:

which chapter is this?

Answer 2

Step-by-step explanation:

(i) 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 = 64

(i) 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19 + 21 + 23 + 25 + 27 + 29 = 225