Question

6 arithmetic means are inserted between 1 and 9/2 then the fourth arithmetic mean is please answer

Answer 1

Solution

a = 1, a + 7d = 9/2
1+7d =9/2
7d=9/2 - 1
7d=7/2
d=1/2
4th arithmetic mean = a+4d = 1+4*1/2
= 1+2
= 3
Hope it makes you clear.