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Nov 13, 2013
The ratio of the sum of n terms of two A.P.s is (7n+1):(4n+27).Find the ratio of their mth term.
Ishita Gupta
Feb 27, 2015
In an ap of 50 terms, the sum of 1st 10 terms is 210 and the sum of its last 15 terms is 2565. find the a.p.
Lavanya N
Nov 24, 2013
If mth term of an A.P is 1/n and the nth term is 1/m show that the sum of mn term is 1/2(mn+1)
David
Feb 19, 2015
If m times the mth term of an AP is equal to n times its nth term, find (m+n)th term.
Manish B
Nov 21, 2014
How many three digit numbers are divisible by 7?
D narayana
Mar 14, 2015
The sum of first n terms of an AP is 3n2+4n find the 25th term of this AP.
Ishita Gupta
Feb 11, 2015
If the sum of 3 numbers in a.p. is 12 and the sum of their cubes is 288. find the numbers.
David
Feb 19, 2015
The angles of a triangle are in AP. If the greatest angle is twice the least, find all the angles.
Saumya
Mar 11, 2014
If pth term of an A.P is 1/q and its qth term is 1/p then show that its (pq)th terms is ---- 1/2 (pq + 1)..........
Narasimha mn
Oct 26, 2013
find the middle terms in the ap 20,16,12.............[-176]
Given AP is 20,16,12............. - 176
First term (a) = 20
Common difference (d) = 16 - 20 = –4
We know the last ter...
Venkatesh
Nov 13, 2013
The ratio of the sum of n terms of two A.P.s is (7n+1):(4n+27).Find the ratio of their mth term.
Ishita Gupta
Feb 27, 2015
In an ap of 50 terms, the sum of 1st 10 terms is 210 and the sum of its last 15 terms is 2565. find the a.p.
Lavanya N
Nov 24, 2013
If mth term of an A.P is 1/n and the nth term is 1/m show that the sum of mn term is 1/2(mn+1)
David
Feb 19, 2015
If m times the mth term of an AP is equal to n times its nth term, find (m+n)th term.
Manish B
Nov 21, 2014
How many three digit numbers are divisible by 7?
D narayana
Mar 14, 2015
The sum of first n terms of an AP is 3n2+4n find the 25th term of this AP.
Ishita Gupta
Feb 11, 2015
If the sum of 3 numbers in a.p. is 12 and the sum of their cubes is 288. find the numbers.
David
Feb 19, 2015
The angles of a triangle are in AP. If the greatest angle is twice the least, find all the angles.
Saumya
Mar 11, 2014
If pth term of an A.P is 1/q and its qth term is 1/p then show that its (pq)th terms is ---- 1/2 (pq + 1)..........
Narasimha mn
Oct 26, 2013
find the middle terms in the ap 20,16,12.............[-176]
Given AP is 20,16,12............. - 176
First term (a) = 20
Common difference (d) = 16 - 20 = –4
We know the last ter...