1 |
The three consecutive numbers a,√ab,b are in |
G.P
H.P
G.M
None of these
|
2 |
If G is a G.M between a and b then a,G,b are in |
A.P
H.P
G.P
None of these
|
3 |
The formula an = arn-1represents |
nth term of G.P
Sum of the first n terms
G.M between a and b
None of these
|
4 |
The formula an = a +(n-1)d for an A.P is called |
nth term of an A.P
Sum of first n terms
A,M between a and b
None of the above
|
5 |
An infinite sequence has no |
nth term
Last term
Sum
None of these
|
6 |
An indicated sum of terms of a sequence is represented by |
Sn
an
S(n)
{Sn}
|
7 |
Which one represents a sequence |
an
Sn
a(n)
{an}
|