Question

For a set G.M. =√first term *last term ; then the set is an:
OPTIONS:
A.P.
G.P.
H.P.
A.G.P.

Answer 1

Ans. gp
It can be a GP because in a geometric progression the ratio of terms is constant and since in the question it is given that geometric mean is square root of a b that implies that terms between a and b got cancelled that is only possible in the case of a geometric progression