10th term of an A.P is 52, 16th term is 82 then tn will be
n + 2
5n - 2
5n + 2
5n
Which term of the G.P, 2, 8, 32.......... up to n term is 131072?
8th term
9th term
7th term
6thterm
If -2/7, x, -7/2 are in G.P, then x =
1
-1
± 1
None of these
Sum of the sequence 9, 99, 999, 9999 up to n terms is
(10n -1) - n
9/10 (10n - 1) - n
10/9 (10n - 1) - n
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
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
The number of terms of A.P 3, 7, 11, 15. . . where the sum is 406 is
5
10
12
14
The 10th term of an A.P is 52 and 16th terms is 82. Then the 32nd term is
162
165
173
Which terms of the G.P 2, 2√2, 4,........ is 128?
13
15
