Question

urgent solve the problem please

Answer 1

my handwriting might trouble you

Answer 2

last digit = a +(n-1)d = 216
6 + (n-1)7 = 216
n-1 = 30
n = 31 
(n+1)/2 =(31 + 1)/2 = 16
so 16th term is the middlemost term 
16th term = a +(n-1)d = 6 + 15*7 = 111

cheers...pls mark as brainliest