In a sequence of 21 terms the first 11 terms are in A P with a common difference of 2 and the last 1...........

In a sequence of 21 terms the first 11 terms are in A.P. with a common difference of 2 and the last 11 terms are in G.P. with 2 as the common ratio. If the middle term of the A.P. is equal to the middle term the G.P., then the middle term of the entire sequence is

– 10/31

10/31

32/31

-31/32