How many terms of the G.P 3, 3/2, 3/4......... are needed to give the sum 3069/512?
10
11
9
8
The sum to the first 25 terms of the series 1 + 2 + 3......... is
305
325
315
335
If the n^{th} term of an AP is 6n - 1. Then its (n + 1)^{th} term is
6n + 4
6n + 5
6n - 4
6n - 5
The number of terms in the A.P 7, 13, 19.......97 is
97
17
16
15
If G is geometric mean of numbers a and b then G =
√ab
±√ab
ab
a/b
Given a_{n} = (n+1)^{2}/n then a_{7} is
64
67
49/8
64/7
If the sum of n terms of an A.P is (Pn + qn^{2}) where p and q are constants. Then the common difference is
2 + q
2q
2/q
2 - q
1 + 2 + 3 +........30 =
465
930
900
500
Which terms of the G.P 2, 2√2, 4,........ is 128?
12
14
13
The value of 11^{2} + 12^{2} + .....20^{2} is
3845
2485
2470
3255