Question

Sum of first 3 consecutive terms of an AP is 36, then the first term is

Answer 1

Answer:

Step-by-step explanation:

Let 3 consecutive numbers be x,x+1,x+2 .

Sum of these numbers are 36 i.e

(x)+(x+1)+(x+2)=36

3x+3=36

x+1=12

x=11.

So first term is 11.