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
nth term of the following sequence ak, ak3, ak5.......is
akn
ak2n-1
ak2n
akn+1
If tn denotes the nth term of the series 2+3+6+11+18----------then t50 is
492-1
492
502+1
492+2
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
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
9th term of the sequence 3, 6, 12, 24........
512
1536
768
867
The 10th common term between the series 3+7+11+................ and 1+6+11+----- is
191
193
211
None of these.
How many terms are in the sequence 5, 8, 11..........47?
47
15
16
20
Find the 5th term in the sequence a1 = 3, a2 = 3 and an = an-1 + an-2 ; a>2
6
24
1 + 2 + 3 +........30 =
465
930
900
500