Question

102+104+106+..... + 160=?​

Answer 1

472 is your answer

hope it helps

Answer 2

AP= 102,104.....160

a=102

d=2

an=160

n=?

sn=?

an =a+(n-1)d

Substituting the values,

160=102+(n-1)2

160-102=(n-1)2

58=(n-2)2

29=(n-1)

n=30

sn=n/2(a+an)

=30/2(102+160)

=15*262

=3930

Hope it helps:)