Question

the sum of all consecutive odd numbers less than 20​

Answer 1

Answer:

It'll be the sum of first 10 odd numbers which is nothing but 10^2.

Sum=100

Answer 2

Answer:

Answer

Let two consecutive odd integers be x and x+2

Given, their sum is 20.

⇒x+x+2=20

⇒2x=20−2=18

⇒x=9

Therefore, other number is x+2=9+2=11.

Thus, the numbers are 9,11.