Question

The average of 5 consecutive even no. a,b,c,d,e is 34.what is the product of b and d

Answer 1

Let a=a
b=a+2
c=a+4
d=a+6
e=a+8

a+a+2+a+4+a+6+a+8/5=34

5a+20/5=34

5a+20=170

5a=150

a=30


b=a+2=32
d=a+6=36


b*d=1152