If in A.P Sn = Pn2 and Sm= pm2 where S denotes the sum of r terms of the A.P then Sp is equal to
1/2 p3
mnp
p3
(m+n)p2
If -2/7, x, -7/2 are in G.P, then x =
1
-1
± 1
None of these
The 10th common term between the series 3+7+11+................ and 1+6+11+----- is
191
193
211
None of these.
Find the 5th term in the sequence a1 = 3, a2 = 3 and an = an-1 + an-2 ; a>2
6
9
15
24
9th term of the sequence 3, 6, 12, 24........
512
1536
768
867
Common ratio of the series 1/4 + 1/2 + 1.........is 256?
10th term
11th term
12th term
9th term
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
If tn denotes the nth term of the series 2+3+6+11+18----------then t50 is
492-1
492
502+1
492+2
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