Common ratio of G.P am-n, am, am+n.........is
am
a-m
an
a-n
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
The 10th common term between the series 3+7+11+................ and 1+6+11+----- is
191
193
211
None of these.
9th term of the sequence 3, 6, 12, 24........
512
1536
768
867
Find the 5th term in the sequence a1 = 3, a2 = 3 and an = an-1 + an-2 ; a>2
6
15
24
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
The sequence an = 2n + 1 is an A.P Then the common difference is
5
7
3
2
nth term of the sequence 2, -4, 8, -16 is
an = 3an-1 + 1
an = n(n-3)/n+4
an = n2 + 1
an = (-1)n-12n
Which term of the A.P -1, 3, 7, 11........is 91?
25th term
91th term
100th term
24th term
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
