Question

Find the sum without adding the number 1+3+5+7+9+11 =​

Answer 1

Answer:

36

Step-by-step explanation:

you can use the formula (2n-1)

(2total numbers -1)

Answer 2

Answer:

n² is the formula.

n = number of digits

n = 6

So, n² = 6²

6² = 36

Let's Verify:-

1 + 3 + 5 + 7 + 9 + 11 = n²

36 = 6²

36 = 36

RHS = LHS