Question

Use property to find the sum of: 1+3+5+7+9+11+13+15+17+19+21+23+27

Answer 1

Answer:

196

Step-by-step explanation:

Here we have to use the property : the sum of 1st n odd numbers = n square

here when we count , 14 1st odd numbers are given . So, n = 14

Therefore , sum of 1st 14 odd numbers = 14 square = 196

Answer 2

Answer:

In the given question 25 is missing

If 25 is also there then answer is 196

Step-by-step explanation:

Sum of consecutive n odd numbers is n^2

Here n=14

14^2=196