How many terms of the G.P 3, 3/2, 3/4......... are needed to give the sum 3069/512?
10
11
9
8
Which term of the G.P, 2, 8, 32.......... up to n term is 131072?
8th term
9th term
7th term
6thterm
The value of 112 + 122 + .....202 is
3845
2485
2470
3255
If -2/7, x, -7/2 are in G.P, then x =
1
-1
± 1
None of these
The first 3 terms of the sequence an = (n+1)/(n+2) is
5/4, 4/3, 3/2
2/3, 3/4, 4/5
4/5, 3/4, 2/3
4, 3, 2
10th term of an A.P is 52, 16th term is 82 then tn will be
n + 2
5n - 2
5n + 2
5n
The A.M between pth and qth terms of an A.P is equal to the AM between rth and sth terms of the A.P. Then p+q =
r + s
r - s/r + s
r + s/r - s
r + s + 1
Given an = (n+1)2/n then a7 is
64
67
49/8
64/7
The 10th term of an A.P is 52 and 16th terms is 82. Then the 32nd term is
162
165
173