Question

Average of all the even no. Between 104 and 148

Answer 1

Hey mate

Here is your answer

A1=106

an=146

d=2

146=106+2n-2

42=2n

n=21

Sn =21/2(212+40)

Sn=21/2*252 = 21*126 = 4536

Average =4536/21= 126

Hope it helps you

Answer 2

Answer:

you dont have to go for a long explanation for this sum. simply , 104+148/2 =126 ✓