Question

Q5. Express the following:
(i) 49 as the sum of 7 odd numbers.
(ii) Express 121 as the sum of 11 odd numbers.

Answer 1

Step-by-step explanation:

1) 49 as the sum of 7 odd numbers:-

» 49 = 1+3+5+7+9+11+13

» 49= 49

2) 121 as the sum of 11 odd numbers:-

» 121 = 1+3+5+7+9+11+13+15+17+19+21

» 121 = 121

Answer 2

Answer: 49 x 7 = 343

Step-by-step explanation: 49 x 7 = 343 121 x 11 = 1,331