The nthe term of the sequence 1/2, 1/6, 1/12, - - - - - is
The two geometric means between 1 and 64 are.
1 and 64
8 and 16
4 and 16
3 and 16
The nth term of the sequence 3, 6, 9, -----is.
3n + 1
3n
3n + 2
None of these
If nth term of the G.P 5, -5/2, 5/4, -5/8, .... is , then the value of n is.
4
9
10
11
If be the AM of a and b, then n is equal to _________.
1
-1
0
The number of terms of the AP 3, 7, 11, 15, 15, - - - - - - to be taken so that the sum is 406 is
5
12
14
5th term of a G.P is 2, then the product of first 9 terms is _________.
256
128
512
If a, b, c are in A.P, then 3a, 3b, 3c are in.
A.P
G.P
H.P
The A. M of two numbers is 34 and G.M is 16, the numbers are ________.
2 and 64
64 and 3
64 and 4