Question

how many numbers are there in the sequence -1,-5/6,-2/3.......10/3​

Answer 1

a=-1

d=(-5/6)+1=(-5+6)/6=1/6

L=10/3=a+(n-1)d

10/3=-1+(n-1)1/6

10/3+1=(n-1)1/6

(10+3)/3=(n-1)1/6

(13/3)*6=n-1

26+1=n

n=27