The sum (m + n)th term and (m - n)th terms of an A.P is equal to twice the
nthterm
mthterm
(m - 1)term
n + 1 term
Common ratio of G.P am-n, am, am+n.........is
am
a-m
an
a-n
If 2x + 1, x2 + x + 1 and 3x2 - 3x + 3 are consecutive terms of an A.P then x =
1, 2
2, 3
3, 4
5, 6
8th term of the A.P 9, 13, 17, 21.....is
28
41
45
37
Which term of the A.P -1, 3, 7, 11........is 91?
25th term
91th term
100th term
24th term
There are 15 terms in an A.P. Its first term is 5 and common difference is 3, then its middle term is
8
26
29
9
Common ratio of the series 1/4 + 1/2 + 1.........is 256?
10th term
11th term
12th term
9th term
The sequence an = 3n - 2 is an A.P, then a and d are
1, 4
4, 7
1, 3
7, 10
If -2/7, x, -7/2 are in G.P, then x =
1
-1
± 1
None of these
Next term in the series 3/16 + 1/18 + 1/12 +.........is
1/24
1/27
1/18
1/29