The number of terms of A.P 3, 7, 11, 15. . . where the sum is 406 is
5
10
12
14
If -2/7, x, -7/2 are in G.P, then x =
1
-1
± 1
None of these
The 10th term of an A.P is 52 and 16th terms is 82. Then the 32nd term is
162
165
173
How many terms of the G.P 3, 3/2, 3/4......... are needed to give the sum 3069/512?
11
9
8
Which terms of the G.P 2, 2√2, 4,........ is 128?
13
15
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
If the sum of 3 numbers in A.P is 24 and their product is 440, then the numbers are
5, 8, 11
6, 9, 12
7, 10, 13
4, 8, 12
If the nth term of an AP is 6n - 1. Then its (n + 1)th term is
6n + 4
6n + 5
6n - 4
6n - 5
If the sum of n terms of an A.P is (Pn + qn2) where p and q are constants. Then the common difference is
2 + q
2q
2/q
2 - q
The number of terms in the A.P 7, 13, 19.......97 is
97
17
16